Title: Rāingān kānwičhai rư̄ang kānsưksā khwāmtō̜ngkān rap khwāmrū thāng wichākān læ khwāmkhithen khō̜ng prachākō̜n nai chonnabot thī mītō̜ kānphœ̄phrǣ khwāmrū thāng wichākān kǣ chumchon dōi chai thēp
Description: Study based on samples collected from 14 villages representatives of Khon Kaen Province, northeastern Thailand.