text Surabaya Bina Ilmu 1984 Cet. 2 ind 198 hlm 21 cm Soetojo Prawirohamidjojo, Marthalena Pohan Bibliografi : hlm. 198 Hukum perjanjian 20090227020459.0 YOGYA-02090000001865 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)