(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.