Lumban Gaol, Al Trio Boy Beyto, Robert Sibarani, and Jekmen Sinulingga. “REKONSTRUKSI CERITA RAKYAT GEOSITE GEOPARK TOBA HUMBANG HASUNDUTAN TAPANULI UTARA: KAJIAN TRADISI LISAN”. Jurnal Basataka (JBT) 5, no. 2 (December 30, 2022): 220–230. Accessed April 25, 2024. http://jurnal.pbsi.uniba-bpn.ac.id/index.php/BASATAKA/article/view/183.