Louise G, Marsongko EP, Odang Permana. THE ECONOMIC IMPACT OF THE DEVELOPMENT OF THE TANGKAHAN ECOTOURISM IN NAMO SIALANG VILLAGE, LANGKAT REGENCY. IJSCOT [Internet]. 2022 Dec. 28 [cited 2024 Apr. 28];1(02):53-61. Available from: https://journal.poltekpar-nhi.ac.id/index.php/ijscot/article/view/1015