SPATIAL ANALYSIS OF LANDSLIDE DETECTION USING THE RELATIVE DIFFERENT NDVI (rdNDVI) METHOD THROUGH THE GOOGLE EARTH ENGINE PLATFORM (CASE STUDY OF SUKAMAKMUR DISTRICT, BOGOR REGENCY). e-JPI [Internet]. 2025 Dec. 31 [cited 2026 May 26];12(5):296-311. Available from: https://ejpi.uis.edu.my/index.php/ejpi/article/view/325