“LAND COVER MAPPING DETAILS USE UNMANNED AERIAL VEHICLE IN RIAU UNIVERSITY ARBORETUM AND SURROUNDING”, Universitas Riau, vol. 2, no. 1, pp. 15–25, Feb. 2018, Accessed: Aug. 02, 2025. [Online]. Available: https://jiik.ejournal.unri.ac.id/index.php/JIIK/article/view/39