00850cas a2200253 a 450000100070000000500170000700800410002401900120006503500160007703500120009303500110010504000130011604300120012908200190014124500770016024600370023726000380027430000250031236200720033765000370040965100460044671000360049298400680052823713020091006235425.0091006u19859999th tu p f0 uu 0tha d1 a5629938 9abn92352331 91084419 a237130 aANLcANL aa-th---0 a307.10959322000aWarasan kanwichai phua kanphatthana =bResearch and development journal.11aResearch and development journal a[Bangkok] :bKrom Kanfukhat Khru, av. :bill. ;c27 cm.0 aPi thi 1, chabap thi 1 (Kanyayon/Thanwakhom 2528 [Sept./Dec. 1985]) 0aResearchzThailandxPeriodicals. 0aThailandxSocial conditionsxPeriodicals.10aThailand.bKrom Kanfukhat Khru. a2001dVol. 1, no. 1-eSept. 1985-fimperfectcTH S 307.1072 WAR