Melkonyan, H. A., & Gabrielyan, A. A. (2010). THE FORECASTING TECHNIQUE OF ATMOSPHERIC POLLUTION BY NITROGEN DIOXIDE IN YEREVAN. Proceedings of the YSU C: Geological and Geographical Sciences, 44(2 (222), 36–40. https://doi.org/10.46991/PYSU:C/2010.44.2.036