na INLIS000000000030549 20151103075029.0 $a 978-602-00-3123-1 $0010-111500000000006 $a 904 LAU k C.1 $a 904 LAU k C.1 $a Laurence Bergreen $a Columbus-The Four Voyages $a Jakarta $b PT. Elex Media Komputindo $c 2012 $a PETUALANGAN COLUMBUS $a Arpus Kab. Magetan $a 69.226