Dr. Mohamed RiyazhKhan, Dr. Mouza Mohamed Al- Hadhrami, Dr. Krishna Murthy Meesaala, Dr. Chandra Sekhara Reddy Kamireddy. (2025). Systematic Literature Review: “Business Models Proposed for Integrating Natural Heritage Values into Sustainable Tourism for Economic Development using Campbell Collaboration Approach”. South Eastern European Journal of Public Health, 3282–3289. https://doi.org/10.70135/seejph.vi.5655