na INLIS000000000014985 20140321091619.0 a ||| | 170530| ||| | $a 0010-031400000002283 $a 651.7. $a 651.7. DJO k c.4 $a Drs. Djoko Purwanto,M.B.A. $a Korespondensi Bisnis Modern $a Ke-1 $a Jakarta $b Erlangga $c 2007 $a Arpus kab. Magetan $a 40.631-0