1 April s.d. 30 Juni 1998 PERPUSTAKAAN NASIONAL RI text Jakarta Perpustakaan Nasional RI 1998 ind vi, 137 hlm ilus 28 cm Perpustakaan Nasional - laporan 027.5 20150422145257.0 YOGYA-02090000007853 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)