Suwarsono, et al. “DETECTING THE AFFECTED AREAS OF MOUNT SINABUNG ERUPTION USING LANDSAT 8 IMAGERIES BASED ON REFLECTANCE CHANGE”. International Journal of Remote Sensing and Earth Sciences, vol. 12, no. 1, Nov. 2025, pp. 49-62, https://ejournal.brin.go.id/ijreses/article/view/13914.