Purwanto B, Sejati AW. VOLUNTEERED GEOGRAPHIC INFORMATION (VGI) APPLICATION FOR MONITORING LAND USE VIOLATION CASE STUDY: CIGANJUR FLOOD. J. Ris. Inform. [Internet]. 2021 Jun. 30 [cited 2026 Feb. 16];3(3):283-90. Available from: https://backup-jri.intipublisher.com/index.php/jri/article/view/89