Nazaruddin, D. A., Z. Zulkarnain, N. S. Md Fadilah, M. M. A. Khan, and A. M. A. Bahar. “Study on Geoheritage and Water Quality of Pos Hendrop Hot Spring, Lojing Highlands, Kelantan, Malaysia”. Journal of Tropical Resources and Sustainable Science (JTRSS), vol. 3, no. 1, July 2015, pp. 222-3, doi:10.47253/jtrss.v3i1.699.