Ahmad Rizky Setiawan, Ade Kurnia Harahap, and Anggiat sinurat, “Strategy to Increase Community Participation in the Development of Bah Damanik Bathing Nature Tourism in Sidamanik District, Simalungun Regency”, J-CEKI, vol. 4, no. 5, pp. 1087–1100, Aug. 2025.