000 00311nam a2200121Ia 4500
082 _a338.1
_bKUM
100 _aKumar, Prafulla
245 _aEconomics of water management : a study of field channels.
260 _aNew Delhi
_bHeritage Pub.
_c1977
300 _axiii,117p.
890 _aIndia
999 _c9156
_d9156