Willis, Sofyan S text Bandung Angkasa 1994 87 hlm : ilus ; 14 X 21 cm Sofyan S. Willis Problema Remaja 363.23 363.23 WIL p 20250425090258 INLIS000000000000847 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)