00406nam a2200121Ia 4500008004100000040001700041082002900058110006000087245003300147260003300180300001300213650005800226190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta633.18095489bU58R  aUnited Nations Research for Social Development (Geneva) 0aRice revolution in Sri Lanka  aGenevabUnited Nationsc1977  ax, 282p.  aRice-Harvesting-Sri Lanka; Sri Lanka-Rural conditions