Anekanun, Nutwasa, and Kittinand Bandhumasuta. “Guidelines for Increasing the deduction rate of provident fund contributions to determine how financial investment for employees”. Journal of the Association of Researchers 30, no. 3 (September 30, 2025): 172–184. accessed October 12, 2026. https://so04.tci-thaijo.org/index.php/jar/article/view/280299.