Putra, Roni Wahyu, and Haris Suryamen. “Sistem Monitoring Tanah Longsor Berbasis Internet of Things Dan Geographic Information System”. JITCE (Journal of Information Technology and Computer Engineering), vol. 3, no. 02, Sept. 2019, pp. 70-77, doi:10.25077/jitce.3.02.70-77.2019.