สุพัฒน์ธนานนท์ นราธิป, and รัตนวัย นรัตว์. “Cultivation and Agricultural Products Distribution Short-Term Planning With Mathematical Schedule Model to Increase Farmers’ Revenue: A Case Study of the Farmers in Kao Kho District, Phetchabun Province”. Research on Modern science and Utilizing Technological Innovation Journal (RMUTI Journal) 13, no. 1 (October 24, 2019): 89–101. Accessed May 4, 2024. https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/213984.