تقي حسن ابتهال. 2014. “Using (NDVI), (NDBI) and (NDWI) Indexes for Change Detection in Land Cover for Selected Area from the Province of Najaf for the Period from (2001-2006) by Using Remote Sensing Data”. Journal of Kufa-Physics 6 (2). https://journal.uokufa.edu.iq/index.php/jkp/article/view/7323.