00279nam a2200109Ia 4500082002800000100001700028245006100045260003000106300002300136500000500159700000500164  a338.160954552bSi617.TA  aSingh, G. B.  aTransformations of agriculture; a case study of Punjabb  aKurukshetrabVishalc1979  axviii, 372p. Index  a  a