Title: Rāingān phon kānsamrūat khwāmkhithen khō̜ng khrūarư̄an phūmī rāidāi chalia tam kwā 20,000 bāt tō̜ khon tō̜ pī Phō̜.Sō̜. 2549 Čhangwat Chaiyaphūm
Description: Survey report of public opinion in Chaiyaphum Province, relating to the households having their income lower than 20,000.00 per head per year, for socio-economic development in Northeastern Thailand.