Ramadhan, Fendra Dwi, Teguh Hariyanto, and Hepi Hapsari Handayani. 2024. “Analysis of Urban Built-up Expansion Based on Combination of Spectral Indices in Surabaya City”. GEOID 17 (1):21-37. https://journal.its.ac.id/index.php/geoid/article/view/1702.