000 00397nam a2200145Ia 4500
003 LDD
040 _cLDD
082 _a338.1 P272 E
100 _aPatel, S.M
245 0 _aEconomics of tubewell irrigation
_ba study of lift irrigation alternatives in Mee
_cS.M Patel
260 _aAhmedabad
_bIndian Institute of Management
_c1971
300 _avii, 98p
901 _a14957
_b16-01-2017
942 _2ddc
_cG
999 _c551
_d551