2023

Publications

Breast Cancer and Screening Prevention Programmes:
Perceptions of Women in a Multicultural Community in
Southern Thailand

Authors: Dusanee Suwankhong, Pranee Liamputtong, Tum Boonrod, Witchada Simla, Sermsak Khunpol
and Sasithorn Thanapop.

Year: 2023

Journal: Environmental Research
and Public Health 

(Scopus Q1,Percentile 77  Public Health, Environmental and Occupational Health)

The authors disclose receipt of the following financial support for the research, authorship, and/or publication of this article: The authors received a grant from, Thailand Science Research and Innovation (TSRI). Grant No. TSU-65A105000022.

 

Valuation of volatility derivatives with time-varying volatility:
An analytical probabilistic approach using a mixture
distribution for pricing nonlinear payoff volatility derivatives
in discrete observation case

Authors: Sanae Rujivan

Year: 2023

Journal: Computational and Applied Mathematics 

(Scopus Q1, Percentile 88 in Applied Mathematics)

Research Scholarship: The NSRF, Thailand via the Program Management Unit for Human
Resources & Institutional Development, Research and Innovation (Grant Number B05F640202)

Analytically Computing the Moments of a Conic Combination
of Independent Noncentral Chi-Square Random Variables and
Its Application for the Extended Cox–Ingersoll–Ross Process
with Time-Varying Dimension

Authors: Sanae Rujivan, Athinan Sutchada, Kittisak Chumpong, Napat Rujeerapaiboon 

Year: 2023

Journal:  Mathematics 

(Scopus Q1, Percentile 86 General Mathematics)

Research Scholarship:This research project was supported by the National Research Council of Thailand (NRCT): NRCT5RGJ63016-150 and Walailak University partial funding contract no. 01/2562 for the first and the second authors. Furthermore, the first author received funding support from the NSRF, Thailand, via the Program Management Unit for Human Resources and Institutional Development, Research and Innovation (grantno. B05F640202).

2022

Closed-form formula for conditional moments of generalized
nonlinear drift CEV process

Authors: Phiraphat Sutthimat, Khamron Mekchay, Sanae Rujivan

Year: 2022

Journal: Applied Mathematics and Computation

(Scopus Q1, Percentile 95 in Applied Mathematics)

Research Scholarship: The NSRF via the Program Management Unit for Human Resources and Institutional Development, Research and Innovation (grant no. B05F640202)

Urinary arsenic concentration among residents of an arsenic-endemic area in southern Thailand and its related factors: Three decades after mitigation attempts

Authors: Udomsak Saengow, Surasak Vijitpongjinda, Supabhorn Yimthiang, Apichai Wattanapisit, Sirilak Thaicharoen

Year: 2022

Journal: Groundwater for Sustainable Development

(Scopus Q1, Percentile 94 in Geography, Planning and Development)

Research Scholarship:  – 

A closed-form expansion for the conditional expectations of the extended CIR process

Authors: Sanae Rujivan, Nopporn Thamrongrat

Year: 2022

Journal: Heliyon

(Scopus Q1  Percentile 82 in Multidisciplinary)

Research Scholarship: This work was supported by the NSRF via the Program Management Unit for Human Resources & Institutional Development, Research and Innovation (B05F640202) and Walailak University (WU63250). 

Association between kratom (Mitragyna speciosa) use and metabolic syndrome.

Authors: Aroon La-up, Paleeratana Wongrith, Wiraphon Chaichan, Apinun Aramrattana, Udomsak Saengow

Year: 2022

Journal: Heliyon

(Scopus Q1, Percentile 82 in Multidisciplinary)

Research Scholarship: The Centre for Addiction Studies (CADS) [grant number 62-01619-0027]

Predictors of Musculoskeletal Pain among Primary School
Students Using Smartphones in Nakhon Si Thammarat,
Thailand

Authors: Jittaporn Mongkonkansai, Siriluk Veerasakul, Shamsul Bahri Mohd Tamrin, Uraiwan Madardam

Year: 2022

Journal: Environmental Research and Public Health

(Scopus Q1, Percentile 75 in Public Health, Environmental and Occupational Health)

Research Scholarship: Walailak University, grant number [WU-IRG-62-012].

Analytical formula for conditional
expectations of path-dependent product
of polynomial and exponential functions
of extended Cox–Ingersoll–Ross process

Authors: Phiraphat Sutthimat, Sanae Rujivan, Khamron Mekchay and Udomsak Saengow

Year: 2022

Journal: Research in the Mathematical Sciences

(Scopus Q2 in Mathematics miscellaneous)

Research Scholarship: –

An Iterative Approach for Obtaining a Closed form
Expansion for the Conditional Expectations of the
Extended Cox-Ingersoll-Ross Process

Authors: Nopporn Thamrongrat and Sanae Rujivan

Year: 2022

Journal: Thai Journal of Mathematics

(Scopus Q4 in General Mathematics)

Research Scholarship: Walailak University under that grant WU 63250

Simple Analytical Formulas for Pricing and Hedging
Moment Swaps

Authors: Kittisak Chumpong, Khamron Mekchay, Sanae Rujivan and Nopporn Thamrongrat 

Year: 2022

Journal: Thai Journal of Mathematics

(Scopus Q4 in General Mathematics)

Research Scholarship: Walailak University under grant WU61205.

Cesarean section according to Robson classification in a tertiary hospital, southern Thailand

Authors: Tipnaree Charoonwatana, Charuai Suwanbamrung, Udomsak Saengow

Year: 2022

Journal: Journal of Obstetrics, Gynecology and Cancer Research 

(Scopus Q4 in Embryology )

Research Scholarship:The Center for Alcohol Studies, Thailand, grant number 62-02029-0043.

Acute health consequences from electronic cigarettes: A narrative review

Authors: Sawanya Laohaprapanon and Udomsak Saengow

Year: 2022

Journal: Proceedings of the Pakistan Academy of Sciences: Part B

(Scopus Q4 in General Agricultural and Biological Sciences )

Research Scholarship: The Tobacco Control Research and Knowledge Management Center (Contract number 63-00-0205)

2021

Analytically pricing volatility swaps and volatility options
with discrete sampling: Nonlinear payoff volatility derivatives

Authors: Sanae Rujivan and Udomsak Saengow

Year: 2021

Journal: Communications in Nonlinear Science and Numerical Simulation

(Scopus Q1, Percentile 98 in Numerical Analysis)

Research Scholarship: Walailak University under grant WU 63250

Unrecorded alcohol consumption in Thailand: Prevalence, geographical variation, relationship with socioeconomic factors and related consequences

Authors: Nittaya Srisuk, Manolee S. Penpong & Udomsak Saengow

Year: 2021

Journal: Drug and Alcohol Review

(Scopus Q1, Percentile 87 in Health social science)

Research Scholarship: The Center of Alcohol Studies, Thailand (Grant number 62-02029-0043)

Association between age at first alcohol use and heavy episodic drinking: An analysis of Thailand’s smoking and alcohol drinking behavior survey 2017

Authors: Paithoon Sonthon, Narumon Janma, Udomsak Saengow

Year: 2021

Journal: PLoS ONE

(Scopus Q1, Percentile 87 in Multidisciplinary)

Research Scholarship: The Center for Alcohol Studies, Thailand, grant number 62-02029-0043.

Research Scholarship: –

Association between self-reported exposure to alcohol advertisements and drinking behaviors: An analysis of a population-based survey in Thailand

Authors: Phagapun Boontem and Udomsak Saengow

Year: 2021

Journal: International Journal of Environmental Research and Public Health

(Scopus Q1, Percentile 75 in Public Health, Environmental and Occupational Health )

Research Scholarship: The Center for Alcohol Studies, Thailand, grant number 62-02029-0043.

Physicochemical characterisation and the prospects of biofuel production from Rubberwood Sawdust and Sewage Sludge

Authors: Liaqat Ali, Khurshid Ahmed Baloch, Arkom Palamanit, Shan Ali Raza, Sawanya Laohaprapanon and Kuaanan Techato

Year: 2021

Journal: Sustainability

Research Scholarship: –

Analytically pricing variance swaps in commodity derivative markets under stochastic convenience yields

Authors: Sanae Rujivan

Year: 2021

Journal: Communications in Mathematical Sciences

(Scopus Q2 in General Mathematics)

Research Scholarship: Walailak University under grant WU 61205

An analytical option pricing formula for mean-reverting asset with time-dependent parameter 

Authors: P. NONSOONG, K. MEKCHAY and S. RUJIVAN

Year: 2021

Journal:The ANZIAM Journal

(Scopus Q2 in Mathematics miscellaneous)

Research Scholarship: Walailak University under grant no. WU63250

A visualization of air pollution distribution over an observed area surrounded by mountains: A computational approach

Authors: Sanae Rujivan, Udomsak Rakwongwan and Piyanut Tangmanussukum

Year: 2021

Journal: Walailak Journal of Science and Technology 

(Scopus Q3 in Multidisciplinary)

Research Scholarship: Development and Promotion of Science and Technology Talents Project (DPST)

An analytical formula for pricing interest rate swaps in terms of bond
prices under the extended Cox-Ingersoll Ross model

Authors: Nopporn Thamrongrat and Sanae Rujivan

Year: 2021

Journal: Songklanakarin Journal of Science & Technology

(Scopus Q3 in Multidisciplinary)

Research Scholarship: the Coordinating Centre for Thai Government Science and Technology Scholarship Students (CSTS) under the National Science and Technology Development Agency (NSTDA) under the Grant No. FDA CO 2562 8552 TH

An explicit solution of a recurrence differential equation
and its application in determining the conditional moments
of quadratic variance diffusion processes

Authors: Kiattisak Prathom and Sanae Rujivan

Year: 2021

Journal: Songklanakarin Journal of Science & Technology

(Scopus Q3 in Multidisciplinary)

Research Scholarship: Walailak University under grant WU63210

The numerical visualization of air pollution propagation
from a single generator to an observed area

Authors: Udomsak Rakwongwan, Arnon Archankul, Sanae Rujivan and Perter Bastian

Year: 2021

Journal: Chiang Mai Journal of Science

(Scopus Q3 in General Mathematics)

Research Scholarship: Walailak University under the Grant WU64219