Ahmad Rifa'I Rif'an text Jakarta Elex Media Komputindo 2015 i Bisnis 650 650 AHM m 978-602-02-7207-8 20181017044727 INLIS000000000403622 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)