na INLIS000000000043942 20131008104010 ind 010-101300000001864 ind 398.2 398.2, Ikr a Ikranegara, Tira Asalmula danau toba dan dongeng lainnya, Tira Ikranegara 2005 Surabaya 112 hlm, ilus, 20 cm Legenda - Danau Toga NBPNMAT