Funding for this research was provided by:
Graduate School, Prince of Songkla University, Thailand
Centre of Excellence in Mathematics, the Commission on Higher Education
Received: 28 April 2022
Accepted: 5 November 2022
First Online: 15 November 2022
: This study was approved from the Human Research Ethics Committee of the Prince of Songkla University, Pattani Campus. The approval number is psu.pn 1-007/63.
: Not applicable.
: The authors declare that they have no competing interests.