Mapping of Substrate Categories Changes in Exposure to Coral Reefs Using Alos Avnir-2 and Spot 7 Images in The South Area of Kotabaru District. TWJ [Internet]. 2019 Nov. 25 [cited 2025 Aug. 5];5(2):51-62. Available from: https://twj.ulm.ac.id/index.php/twj/article/view/75