00310nam a2200109Ia 4500008004100000020001500041082002300056100002900079245004400108260003700152300001100189160921s9999    xx            000 0 und d  a8187254432  a 631.58705bP8988I  aPrakash, Om; Singh, P.K.  aIrrigation and Water Management (Hindi)  bRama Publishing House   aMeerut  a146 P.