000 00308nam a2200109Ia 4500
008 140113s9999 xx 000 0 und d
082 _a339.58:63 L3-3;1
100 _a"Singh, K.N. Patel,R.K. & Ray,K."
245 _aCost factors of Agriculture
260 _a1973
_bN.I.of B.Management
_cBombay
942 _cBK
999 _c58691
_d58691