Wičhai ʻĪsān : withī witthayā kap kānsưksā phalang thāng sangkhom nai Phāk ʻĪsān = Isan inquiries and the inquiries of Isan : a genealogy of research methodologies and the studies of social forces in Northeastern Thailand
Rāingān kānsưksā wičhai kīeokap "ʻāsāsamak wāngphǣn khrō̜pkhrūa" radap mūbān na ʻAmphœ̄ Phōthō̜ng Čhangwat ʻĀngthō̜ng phō̜.sō̜. 2518-2520 = Report on a pilot study of "Village volunteers in family planning" at Po Thong district, Angthong Province, Thailand 1975-1977