00555nam a2200121Ia 4500008004100000040001700041082002300058110008600081245015000167260003400317300001300351650006900364190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta333.73bI61P  aInternational Crops Research Institute for the semi-Arid Tropics (Andhra Pradesh) 0aProceedingsbInternational workshop on socioeconomic constraints to development of semi-arid tropical agriculture, 19-23 February 1979, Hyderabad  aAndhra PradeshbICRISAIc1980  ax, 434p.  aArid regions agriculture; Rural development; Agriculture-Tropics