000 00394nam a2200181 4500
020 _a
_c
082 _a338.1 EFF-P
100 _aEfferson, J Norman
245 _aPrinciples of farm management
250 _a
260 _aMcGraw-Hill book Co, Inc, NewYork
_c1953
300 _a
490 _a
500 _a
590 _aM K L
_b
_c
650 _aAgricultural economics
942 _cBK
999 _c308057
_d308057