ISTANBULY , M. H. .; THABEET, A. . . Studying Changes in Normalized Difference Vegetation Index (NDVI) for Cover in the Area of Aleppo Mountain (Afrin) in Period between (2010-2016). JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences, v. 28, n. 2, p. 33-47, 1 Sep. 2020.