Vithanwatana, Songpol, and Tunpawee Ratpongporn. “Factors Affecting Work Performance of Chef in Thailand: A Conceptual Framework of Relation Linear Factors Affecting Performance”. Journal of Humanities and Social Sciences, Rajapruk University 7, no. 3 (December 25, 2021): 1–20. Accessed May 14, 2024. https://so03.tci-thaijo.org/index.php/rpu/article/view/257334.