Kusbandrijo, Bambang, Masadib Akmal Vyandri, and Rizkya Dwijayanti. “Policy Formulation Analysis Based on Evidence from the Development of Lapindo Mud As a Dark Tourism Destination in Sidoarjo Regency”. Society 13, no. 1 (March 4, 2025): 88–113. Accessed August 23, 2025. https://societyfisipubb.id/index.php/society/article/view/768.