Doneicha, Wilawan, and Supaporn Poungchompu. 2020. “Business Managements of the Production and Rice Processing Certified the Good Agricultural Practice: A Case Study of Large – Scale Paddy Field of Farmers Group, Ban Talunglek, Tambon Mainapeang, Wangyai District, Khon Kaen Province”. WMS Journal of Management 9 (2):1-15. https://so06.tci-thaijo.org/index.php/wms/article/view/241850.