Title: Rāingān kānwičhai rư̄ang kānsưksā saphāp mūbān nai Phāk Tawanơ̜̄k Chīang Nư̄a yāng klaichit rayayāo, tō̜n thī 1 phāk thūapai
Description: Study on the socioeconomic conditions in rural areas of northeastern Thailand.