00608     2200217   4500001002100000005001700021008004100038035002400079090001500103100001900118245009300137250001100230260003900241300002500280650002200305850001500327980001500342985000600357986001200363999001500375YOGYA-0209000000390920090227020651.0                                   ind    0010-020900000003909  a631bRob I  aROBERTSON, C.A  aAn Introduction to agricultural production economics and form managementcC.A. Robertson  aCet. 1  aNew DelhibTata MacGraw-Hillc1977  a140 hlmbilusc21 cm  aEkonomi pertanian  aYOPDYOG(B)  a03-27-2006  a1  aMrrtrev  aP000007516