000 004270000a22001450004500
060 _a100
082 _a338.16 ROB
100 _aRobertson, C A
245 _aIntroduction to agricultural production economics and farm management
260 _aNewdelhi, Tata mc graw - hill publishing company limited
260 _c1971
300 _a140
650 _aAgriculture / productivity / economics / farm management
942 _cBK
999 _c347511
_d347511