na YOGYA-02090000067881 20090227092022.0 ind 010-020900000067881 398.20959812 398.20959812 Asa K ASAL usul danau Toba Cet. 1 Jakarta Elex Media Komputindo 1999 21 hlm ilus 15 cm Cerita rakyat - Sumatera Utara YOPDYOG JSC 09-01-2009 2 00P0003237 00P0003238