Title: Rāingān wičhai khrōngkān wičhai kānwāng rabop tittām læ pramœ̄n phon kānphatthanā khrū læ bukkhalākō̜n thāng kānsưksā phư̄a patirūp kānrīanrū
Description: Research on the evaluation system in the development of teachers and educators of Suan Kularb Witthayalai in Phetchabun Province, Thailand.