00742cas a2200193 a 450000500170000000800410001702000150005803500150007305000200008810000240010824501110013226000520024330000100029549000240030550000550032965000420038470000220042681001000044820260817161910.0050926s1988    th uu|m rtt   0|  a1eng d  a9748200752  a.b1006056x 4aHT65bA83 no.150 aSawanit Phongprapai10aAgricultural extension in Thailand :ba study of the training and visit system /c... and E. Desingu Setty  aBangkok :bAsian Institute of Technology,c1988  a95 p.1 aMonograph ;vno. 15  a"Studies on Human Settlements Development in Asia" 0aAgricultural extension workzThailand1 aSetty, E. Desingu2 aAsian Institute of Technology.bDivision of Human Settlements Development.tMonograph ;vno. 15