Abdullah, A. I., Uno, I., Marhum, F. A., Botjing, M. U., Abdullah, & Sandra, S. (2022). Hydrogeology of the Balaesang Tanjung Region, Donggala District, Central Sulawesi, Indonesia. Gravitasi, 21(2), 81-85. https://doi.org/10.22487/gravitasi.v21i2.16221