Nakrachata-amon, T. and Pathumnakul, S. (2025) “Optimizing the pork supply chain: A model integrating feed production and pig farming with outsourcing and subcontracting costs”, Engineering and Applied Science Research, 52(4), pp. 375–383. available at: https://ph01.tci-thaijo.org/index.php/easr/article/view/260734 (accessed: 28 August 2026).