E. D. . Cahyo, E. . Ridwansyah, and D. S. . Siregar, “Inventory of Potential Attraction of Sungai Langka & Wiyono Village as Cocoa Tourism Village Program at Pesawaran Regency”, Jurnal Studi Perhotelan dan Pariwisata, vol. 1, no. 1, pp. 31–40, Feb. 2023.