Promsiridet, T., Radapong, C., Kanbanchong, N., Khaisang, B., & Simmathong, S. (2026). Contract Farming and the Study of Maize Cultivation Dynamics Ban Tha Ngam, Huai Aeng Subdistrict, Mueang District, Maha sarakham Province, 1967-2025. Journal of Social Science Kamphaeng Saen, 1(1), 146–158. retrieved from https://so17.tci-thaijo.org/index.php/JSSK/article/view/1716