Title: Rāingān kān wičhai rư̄ang kānwikhro̜ tonthun læ phontō̜pthǣn čhāk kāntham sūan makhām wān khō̜ng kasēttakō̜n nai čhangwat Phētchabūn
Subjects: Tamarindus indica, Research, Value analysis (Cost control), Cost effectiveness, Gardening
Places: Thailand, Phetchabun (Province)