Rāingān kānsưksā kānwat samatphāp kānphalit khō̜ng ʻutsāhakam kradāt khō̜ng Krom Rōngngān ʻUtsāhakam 2503-2506 = report on the study of productivity measurement for the paper industry of the Department of Industrial Works 1960-1963
Phon kanwikhro̜ laksana phūrap bō̜rikān wāngphǣn khrō̜pkhrūa čhāk bat banthưk pračhamtūa phūrap bō̜rikān 2519 = Characteristic analysis of family planning acceptors from client's record 1976