text Yogyakarta Bina Aksara 1983 Ed. 1, cet. 1 ind 87 hlm 21 cm Wiwoho Soedjono Hukum perjanjian 20090227023624.0 YOGYA-02090000022214 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)