na YOGYA-02090000026012 20090227024021.0 ind 010-020900000026012 340 Aji P AJI, Umar Seno Pers aspek-aspek hukum Oemar Seno Adji Cet.2 Jakarta Erlangga 1977 334 hlm 21 cm Hukum YOPDYOG(B) 2-1-2007 1 06A0013262