Irwan Prayitno text Jakarta Erlangga 2020 cetakan pertama 199 hlm Irwan Prayitno pendidikan 500 500 IRW p 308-649-007-0 20220816124313 INLIS000000000000566 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)