LAND COVER MAPPING DETAILS USE UNMANNED AERIAL VEHICLE IN RIAU UNIVERSITY ARBORETUM AND SURROUNDING. Universitas Riau [Internet]. 2018 Feb. 1 [cited 2025 Aug. 2];2(1):15-2. Available from: https://jiik.ejournal.unri.ac.id/index.php/JIIK/article/view/39