Rammak, Hathaipat, and Rawida Wiriyakitjar. “Service Marketing Mix Factors Affecting Post Lava Shrimp Purchasing Process of Songkhla Province Farmers”. Journal of Humanities and Social Sciences, Rajapruk University 8, no. 3 (December 25, 2022): 50–65. Accessed May 4, 2024. https://so03.tci-thaijo.org/index.php/rpu/article/view/265293.