text Jakarta Bina Aksara 1987 Cet. 1 ind xviii, 94 hlm ilus 21 cm A.W. Widjaya Bibliografi : hlm. 93-94 Perencanaan 658.401 20090227024746.0 YOGYA-02090000033243 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)