Grigoryan, Arsen T., and Sona K. Terteryan. “ASSESSMENT OF SOIL DEGRADATION IN THE ARARAT VALLEY THROUGH USING SPECTRAL INDICES”. Proceedings of the YSU C: Geological and Geographical Sciences, vol. 56, no. 3 (259), Dec. 2022, pp. 161-6, doi:10.46991/PYSU:C/2022.56.3.161.