text Jakarta Pustaka Sinar Harapan 1989 Cet. 1 ind 178 hlm.;ilus.;22 cm. Komunikasi 20110210094157765 YOGYA-02110000004271 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)