text Yogyakarta BPFE 1982 ind viii, 213 hlm. : ilus. ; 23 cm. Perusahaan 20101005091702439 YOGYA-10100000001326 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)