na INLIS000000000031784 20160111103054.0 $a 978-979-015-787-3 $0010-011600000000189 $a R 651.7 DJO k C.1 $a R 651.7 DJO k C.1 $a Djoko Purwanto $a Korespondensi Bisnis Modern $a Jakarta $b Erlangga $c 2007 $a KORESPONDENSI $a Arpus Kab. Magetan $a 40.628