Syafrijal , Joni, and Fajrul Wadi. “Implementation of Gayo Lues Regent Regulation No. 4 of 2021 by the Tourism Office in the Management of Agusen Tourism from the Perspective of Fiqh Siyasah Tanfidziyah”. Tanfizi : Journal of Islamic Constitutional and Political Law, vol. 1, no. 1, June 2025, pp. 39-51, https://ejournal.uinbukittinggi.ac.id/index.php/tanfizi/article/view/9625.