Doneicha, W., and S. Poungchompu. “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, vol. 9, no. 2, Apr. 2020, pp. 1-15, https://so06.tci-thaijo.org/index.php/wms/article/view/241850.