Parlindungan, Henky Hotma, Anwari Masatip, and Hendra Manurung. “Tourism Investment and Financial Digital”. European Journal of Science, Innovation and Technology 1, no. 4 (October 23, 2021): 30-44. Accessed April 20, 2024. https://ejsit-journal.com/index.php/ejsit/article/view/30.