Ridwan Ibrahim text Yogyakarta Pale Media Prima 2020 cetakan pertama 64 hlm Ridwan Ibrahim pendidikan 500 500 RID p 978-623-9967-7-2 20221201092922 INLIS000000000000567 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)