text Jakarta Badan Pembinaan Hukum Nasional 1994 Cet. 1 ind vii, 117 hlm 21 cm Badan Pembinaan Hukum Nasional Hukum Kontrak 20090227020451.0 YOGYA-02090000001708 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)