Title: Rāingān phon kānwičhai Khrōngkān Wičhai læ Wāngphǣn phư̄a Phatthanā Kānsưksā Čhangwat Sakon Nakhō̜n, Phō̜. Sō̜. 2524-2528
Description: Research report of the Project for Research and Development Planning of Education in Sakon Nakhon Province, Thailand, 1981-1985.