text Jakarta Quality Press 1997 ind x,243 hlm ilus 23cm Arhady Leokum;alih bahasa:Rita S.S ; editor:Lyndon Saputro Judul asli : Tell me why #3 Pengetahuan Umum 000 YOPDYOG 20150216140513.0 YOGYA-02090000007383 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)