Ghazaryan, K.A., et al. “THE IMPACT OF ZANGEZUR COPPER AND MOLYBDENUM COMBINE ACTIVITIES ON THE POLLUTION OF AGRICULTURAL LANDS AND CROPS BY TOXIC ELEMENTS”. Proceedings of the YSU B: Chemical and Biological Sciences, vol. 53, no. 2 (249), July 2019, pp. 199-25, doi:10.46991/PYSU:B/2019.53.2.119.