suatu pengamatan text Jakarta Pustaka Sinar Harapan 1991 ind 372 hlm 21 cm A.S.S. Tambunan Bibliografi : hlm. 355-271 Majelis Permusyawaratan Rakyat 342.05 979-416-091-1 20090227022428.0 YOGYA-02090000014564 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)