(1)
Na Nan, T.; Tiyayon, P.; Weeplian, T.; Tomjai, P.; Baiya, P.; Thongpan, S.; Feepakpro, A.; Nortao, W.; Kakham, T.; Phanphuet, A.; Chuamor , A.; Sangsuk, S. Development of a Fresh Cacao Grading System Using Participatory Mechanisms in Nan Province. Area Based Dev. Res. J. 2023, 15, 182-197.