Payamani, Alireza, Behnam Babaei, Saeed Dehghan, and Houshang Asadi Harouni. 2020. “Applying Various Satellite Image Processing Methods on Aster and Landsat ETM+ Data to Identify and Separate the Alteration Zones Around Gold Mine of Akhtarchi, Khomein, Iran”. Nexo Scientific Journal 33 (02):490-510. https://doi.org/10.5377/nexo.v33i02.10787.