Syarifudin, E., Chaerul, M. and Gusty, S. (2025) “Determination of Flow Direction and Catchment Area Model Using Quantum GIS Analysis and Remote Sensing Imagery at Nickel Mining Locations”, ASTONJADRO, 14(3), pp. 956–964. doi: 10.32832/astonjadro.v14i3.18805.