Simatupang, S. L., and R. Rahmatsyah. “Identification of Environmental Change in Bukit Kerang, Aceh Tamiang Regency Using Landsat Satellite Imagery”. JURNAL ILMU FISIKA | UNIVERSITAS ANDALAS, vol. 14, no. 1, Sept. 2021, pp. 1-9, doi:10.25077/jif.14.1.1-9.2022.