Purnomo, A.D., Marfai, M.A. and Husrin, S. 2021. Identifying the effect of tides on groundwater level fluctuations on Gili Ketapang Island, Indonesia. Journal of Environmental Engineering and Landscape Management. 29, 3 (Jun. 2021), 215-228. DOI:https://doi.org/10.3846/jeelm.2021.14618.