@article{ijtech-754,
				title={Mapping of Land Subsidence Induced by Groundwater Extraction in Urban Areas as Basic Data for Sustainability Countermeasures},
				author={Lolom Evalita Hutabarat,Tommy Ilyas},
				volume={8},
				number={6},
				year={2017},
				month={Dec},
				pages={1001-1011},
				DOI={https://doi.org/10.14716/ijtech.v8i6.754},
				journal={International Journal of Technology},
				ISSN={2087-2100}}