Thinnam ์Nalinee, and Pornpen Thippayana. “Cost, Return, and Risk Analysis. The Case Study of Commercial Vegetable Cultivation in Tha Som Sub-district, Hua Sai District, Nakhon Si Thammarat Province”. Business Administration and Management Journal Review 15, no. 1 (June 26, 2023): 363–380. accessed October 14, 2026. https://so01.tci-thaijo.org/index.php/bahcuojs/article/view/247670.