Aghajanyan, E.A., A.L. Atoyants, A.S. Varjapetyan, R.E. Avalyan, and R.M. Aroutiounian. 2011. “ESTIMATION OF SOIL POLLUTION BY HEAVY METALS IN YEREVAN CITY WITH TRADESCANTIA (clone 02)”. Proceedings of the YSU B: Chemical and Biological Sciences 45 (1 (224):44-48. https://doi.org/10.46991/PYSU:B/2011.45.1.044.