Handoko , Eko Yuli, Akbar Kurniawan, and Angger Sukma M. “LAND SUBSIDENCE DI SURABAYA (2007-2010)”.
GEOID
7, no. 1 (August 1, 2011): 40–43. Accessed August 6, 2025. https://journal.its.ac.id/index.php/geoid/article/view/1328.