H. R. J. Al-Zurfhi, N. A. Al-Jassani, and H. M. Al-Shammari, “The role of remote sensing and geographic information systems techniques in detecting and analyzing the change in vegetation cover in Najaf Governorate using the (NDVI and SAVI) indicators”, Al-adab J., vol. 3, no. 139, pp. 411–436, Dec. 2021, doi: 10.31973/aj.v3i139.2296.