MONITORING OF PROTECTED FOREST LAND COVER CHANGES BUKIT SULIGI DISTRICT KAMPAR PROVINSI RIAU. Universitas Riau [Internet]. 2019 Feb. 26 [cited 2025 Aug. 2];3(1):14-22. Available from: https://jiik.ejournal.unri.ac.id/index.php/JIIK/article/view/115