Harun, Sahana, Ramzah Dambul, Mohd. Harun Abdullah, and Maryati Mohamed. “Spatial and Seasonal Variations in Surface Water Quality of the Lower Kinabatangan River Catchment, Sabah, Malaysia”. Journal of Tropical Biology & Conservation (JTBC) 11 (October 15, 2014): 117–131. Accessed June 15, 2025. https://jurcon.ums.edu.my/ojums/index.php/jtbc/article/view/267.