Figure 1. Chanthaburi province and study areas (Source: Google Map and www.freemap.jp (12th April, 2014))

From

Cost Efficiency of Thai National GAP (QGAP) and Mangosteen Farmers’ Understanding in Chanthaburi Province

Pongthong Pongvinyoo, Masahiro Yamao, Kenji Hosono

American Journal of Rural Development. 2015, 3(2), 15-23 doi:10.12691/ajrd-3-2-1