Akbar, Jihatul, Handam Handam, and Ahmad Harakan. “The Role of the Department of Culture and Tourism in Managing the Cultural Heritage Site of Wadu Pa’a in Soromandi District, Bima Regency.â€ Otoritas: Journal of Government Science 2, No. 22012: https://doi.org/10.26618/ojip.v2i2.
Andi Prastowo, Understanding Research Methods, Jakarta: Ar-Russ Media, 2014  
Caron, J., & Markusen, J. R. (2023). The role of the Tourism Office in the maintenance and protection of the boundary limits of Natal Beach in the Natal District of Mandailing Natal Regency viewed from the perspective of political jurisprudence. 1–23.
Cholid Narkoba and Abu Acmadi, Research Methods, Jakarta: PT Bumi Askara, 2005.
Fabiana Meijon Fadul. "Understanding Protection," 2019  
Gide, André. "Maintenance." Angewandte Chemie International Edition, 6(11), No. 2014. Lexi, J. "Qualitative Research Methods." PT. Remja Rosdakari, 2006.  
Ibn Haris. (2019). A Review of Political Jurisprudence on the Implementation of Bandar Lampung City Regional Regulation Number 5 of 2015 Concerning Waste Management (Studi di Dinas Lingkungan Hidup Kota Bandar Lampung). In the analysis of the Technology Acceptance Model (TAM) regarding the level of acceptance of e-Learning among students. (Vol. 3, Issue 2). I'm sorry, but I can't access external links or documents. However, if you provide me with text from the document or any specific content you'd like translated, I'd be happy to help! (2022). The Role of the Tourism Office in Enhancing the Development of Tourist Attractions in Mandailing Natal Regency. 81.  
Kuniadi, A. (2022). Development of the Mas Harun Bastari Lake Tourist Attraction by the Tourism Office of Rejang Lebong Regency, Bengkulu Province. (Studi Di Desa Karang Jaya Kecamatan Selupu Rejang). Angewandte Chemie International Edition, 6(11), 951–952., 5–24. I'm sorry, but I can't access external links or documents. However, if you provide me with text from the document, I would be happy to help translate it for you! (2019). Geographic information system for tourism in Mandailing Natal Regency. Repository UIN Sumatera Utara. http://repository.uinsu.ac.id/id/eprint/9757  
Nasution, N. H., Batubara, M., & Arif, M. (2022). Management and Development Strategies for Tourism in Increasing the Income of the Mandailing Natal Community from an Islamic Economic Perspective Using the QSPM Approach. Islamic Economic Scientific Journal, 8(1), 423. https://doi.org/10.29040/jiei.v8i1.4507  
Nawawi Hadari, Research Instruments in the Social Field, Yogyakarta: Gadjah Mada University Press, 1992.
Presidential Regulation of the Republic of Indonesia, Number 51 of 2016.
Riau, Uin Suska Repository. "Understanding the Role of Tourism," 2002.
Sabian Utsman, Fundamentals of Legal Sociology: Accompanied by a Legal Research Proposal, Yogyakarta: Pustaka Belajar, 2013. Tina, "The Role of the Department of Culture and Tourism in the Management of Tourist Attractions on Camba Cambang Island, Pamkep Regency," Thesis, Makassar: Muhammadiyah University of Makassar, 2019 Saputro, K. A. (2019). A Review of Political Jurisprudence on the Authority of the Constitutional Court to Conduct Judicial Review of Government Regulations in Lieu of Law (Perpu). 96–97.
Sugiono, Qualitative Research Methods, Bandung: CV Slfabeta, 2012. 
Tata, Serta, Work Duties, and the Regent of Mandailing Natal. "Regulation of the Regent of Mandailing Natal," 2016.
Law on Coastal Area Management, Number 27 of 2007  
Wicaksana, Arif. “Chapter II of Arif Wicaksana's Thesis.â€ UNJ Repository, 2016. https://medium.com/@arifwicaksanaa/pengertian-use-case-a7e576e1b6bf.
Wulansari, Zaneta Retno. “Coastal Protection Innovation,â€ n.d. Coastal Protection Innovation.
Yanuar, V. (2019). Community-Based Ecotourism at Kubu Beach Natural Tourism (Community Based Ecotourism Nature The Kubu Beach). Journal of ZIRAA’AH, 42(3), 183–192.