Apsitpinyo, B., W. Apsitpinyo, A. Pechwong, and P. Baipho. “A Study of Costs and Returns: A Case Study of Khok Lam Village’s Grilled Catfish Chili Paste to Promote Community Economy”. Journal of Management Science Nakhonratchasima University, vol. 5, no. 1, June 2026, pp. 32-44, https://so08.tci-thaijo.org/index.php/jmsnrru/article/view/6262.