text Yogyakarta BPFE 1992 Ed. 2, Cet. 2. ind xii, 115 hlm. : ilus. ; 21 cm. Bibliografi hlm. 115 Statistik YOPDYOG[B] 20130122141442.0 YOGYA-01130000001405 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)