L.L, Y., Eh Rak, A. and A.A, L. (2017) “Performance of Rambutan Seed Extracts as Iron and Manganese Removal in Drinking Groundwater well in Tanah Merah, Kelantan”, Journal of Tropical Resources and Sustainable Science (JTRSS) , 5(2), pp. 79–82. doi: 10.47253/jtrss.v5i2.596.