Suardi IH, Anggraina D. COMPARISON OF NDVI, EVI, AND SAVI METHODS TO KNOW VEGETATION DENSITY WITH LANDSAT 8 OIL IMAGES, 2019: Case Study: Koto Tangah District, Padang City. IRSAJ [Internet]. 2023 Feb. 18 [cited 2026 Apr. 17];2(2):68-77. Available from: http://irsaj.ppj.unp.ac.id/index.php/IRSAJ/article/view/28