Pimpa, Opart, Bunterng Tipmontean, Nattaya Youngyai, and Benchamaporn Pimpa. 2019. “Development of Beef Cattle Farmer Group of Suratthani Province for Response to Supply Chain”. Area Based Development Research Journal 11 (5):380-93. https://so01.tci-thaijo.org/index.php/abcjournal/article/view/204490.