000 004180000a22001450004500
060 _a100
082 _a338.1 ROB
100 _aRobertson, C A
245 _aIntroduction to Agricultural production economics and farm management
260 _aNewdelhi, Mc Graw-Hill Book Company Ltd
260 _c1971
300 _a140
650 _aagricultural production / production economics / farm management
942 _cBK
999 _c206465
_d206465