text Jakarta Gunung Mulia 1981 ind 220 hlm ilus 21 cm Singgih D. Gunarsa Bibliografi : hlm. 209-220 Psikologi Anak 155.4 20090227021136.0 YOGYA-02090000008789 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)