Muhammad, F., Yusrizal, F., Nawawi, A., Nurita, R., Yulia, N., & jumiati, J. (2026). Analysis of the 4A Concept (Attraction, Amenity, Accessibility, and Ancillary Services) at the Mangrove Sungai Bersejarah Ecotourism Destination, Siak Regency. JURNAL KAJIAN PARIWISATA DAN BISNIS PERHOTELAN, 7(1), 12-25. https://doi.org/10.24036/jkpbp.v7i1.85572