Isnain, Zulherry, and Juhari Mat Akhir. “Integrated GIS Based Approach in Mapping Groundwater Potential Zones in Kota Kinabalu, Sabah, Malaysia”. Indonesian Journal on Geoscience, vol. 4, no. 2, July 2017, pp. 111-20, doi:10.17014/ijog.4.2.111-120.