00308nam a2200109Ia 4500 140113s9999 xx 000 0 und d 339.58:63 L3-3;1 "Singh, K.N. Patel,R.K. & Ray,K." Cost factors of Agriculture 1973 N.I.of B.Management Bombay BK 0 0 0 0 VTL VTL 2014-01-13 0 339.58:63 L3-3;1 VBK2012 2014-01-13 00:00:00 2014-01-13 BK 58691 58691