00264nam a2200109Ia 4500082002400000100003300024245004500057260002600102300001600128500000500144700000500149  a338.10954bSr774.AE  aSrivastava, S. K. and Others  aAgricultural economics and cooperationb  aDelhibS. Chandc1970  axvii, 763p.  a  a