I. M. Anjasmara, S. A. Yulyta, and M. Taufik, “Application of Time Series InSAR (SBAS) Method using Sentinel-1A Data for Land Subsidence Detection in Surabaya City”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 10, no. 1, pp. 191–197, Feb. 2020.