Umar Suryadi Bakry text Yogyakarta Pustaka Pelajar 2016 id 307.7 978-602-229-540-2 171221 20171221114452 INLIS000000000402815 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)