1. Adikaram, N. W. A. M. M. D., & Perera, G. A. D. (2005). Impacts of Cardamom cultivation on the floristic diversity of the montane forests of the Knuckles Range. Proceedings of the University of Peradeniya Annual Research Sessions 2005, University of Peradeniya, Sri Lanka.
2. Apollo, M., & Andreychouk, V. (2020). Mountaineering and the natural environment in developing countries: An insight to a comprehensive approach. International Journal of Environmental Studies, 1–12. https://doi.org/10.1080/00207233.2019.1704047.
3. Ashton, M. S., Gunatilleke, C. V. S., Singhakumara, B. M. P., & Gunatilleke, I. A. U. N. (2001). Restoration pathways for rain forest in southwest Sri Lanka: A review of concepts and models. Forest Ecology and Management, 154(3), 409–430.
4. Bambaradeniya, C. N., & Ekanayake, S. P. (2003). A guide to the biodiversity of Knuckles Forest Region. IUCN Sri Lanka.
5. Bandaratillake, H. M. (2005). The Knuckles Range: Protecting livelihoods, protecting forests. In P. B. Durst, C. Brown, H. D. Tacio & M. Ishikawa (Eds.), In search of excellence: Exemplary forest management in Asia and the Pacific (pp. 167–174). FAO.