Yongphet, P., Nakpibal, P., Kaewpuang, T., Phunphon, T., Taksima, T., Yongphet, P. and Diskajun, K. 2022. Operations Upgrading of Community Enterprises of Organic Agriculture Promotion Group, U Thong District, Suphanburi Province. Area Based Development Research Journal. 14, 3 (Sep. 2022), 234–249.