Ramadhan, F. D. ., Teguh . Hariyanto, and H. H. . Handayani. “nalysis of rban uilt-up xpansion ased on ombination of pectral ndices in urabaya ity”. EOID, vol. 17, no. 1, Aug. 2021, pp. 21-37, doi:10.12962/geoid.v17i1.1702.