Yongphet, P., P. Nakpibal, T. Kaewpuang, T. Phunphon, T. Taksima, P. Yongphet, and K. Diskajun. “Operations Upgrading of Community Enterprises of Organic Agriculture Promotion Group, U Thong District, Suphanburi Province”. Area Based Development Research Journal, vol. 14, no. 3, Sept. 2022, pp. 234-49, https://so01.tci-thaijo.org/index.php/abcjournal/article/view/257225.