Adisak Amthed และ Suneeporn Suwanmaneepong and Duangkamol Panrosthip Thunmathiwat. (2022) Lessons learned from the development process of Participatory guarantee systems for organic agriculture: A case study of participatory organic agriculture network (PGS), Pad Riew, Chachoengsao province. Khon Kaen Agriculture Journal, 50(5), 1413-1428.
Adisak Amthed และ Suneeporn Suwanmaneepong and Duangkamol Panrosthip Thunmathiwat. "Lessons learned from the development process of Participatory guarantee systems for organic agriculture: A case study of participatory organic agriculture network (PGS), Pad Riew, Chachoengsao province". Khon Kaen Agriculture Journal 50 (2022):1413-1428.
Adisak Amthed และ Suneeporn Suwanmaneepong and Duangkamol Panrosthip Thunmathiwat. Lessons learned from the development process of Participatory guarantee systems for organic agriculture: A case study of participatory organic agriculture network (PGS), Pad Riew, Chachoengsao province. Faculty of Agriculture:ม.ป.ท. 2022.