Erwin Widiasworo text Yogjakarta Ar-Ruzz Media 2018 Cet 1 226 hlm ; 21 cm Erwin Widiasworo; Editor : Nurhid Psikologi Pendidikan 370.15 370.15 ERW s 978-602-313-253-9 20200109022634 INLIS000000000030631 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)