Setiawan, Dimas, Nasti Hasyim Nasution, & Syafri Benta. " THE POTENTIAL OF SAMOSIR ISLAND AS ONE OF THE NATURAL ATTRACTIONS IN THE PROVINCE OF NORTH SUMATRA." Proceeding International Conference Keputeraan Prof. H. Kadirun Yahya [Online], 1.1 (2022): 552-556. Web. 5 Nov. 2024