The position of the Lake Toba Authority Body is based on Presidential Regulation Number 49 of 2016 concerning the Lake Toba Tourism Area Management Authority Body. ML [Internet]. 2025 Nov. 5 [cited 2025 Nov. 6];7(2):125-50. Available from: https://myl.ejournal.unri.ac.id/index.php/ML/article/view/24