Hukmi Fadhila, ZulbainarniNimmi, and JahrohSiti. “Valuation of Business and Factors Impacting The Demand for Istano Basa Pagaruyung Cultural Tourism”. Indonesian Journal of Business and Entrepreneurship (IJBE) 6, no. 2 (May 30, 2020): 174. Accessed June 20, 2024. https://journal.ipb.ac.id/index.php/ijbe/article/view/31011.