“SOIL MICROBIAL BIOMASS AND ENZYME ACTIVITIES RESPONSE TO COPPER AND MOLYBDENUM POLLUTION IN THE VICINITY OF ZANGEZUR COPPER AND MOLYBDENUM COMBINE, ARMENIA”. 2020. Proceedings of the YSU B: Chemical and Biological Sciences 54 (3 (253): 235-45. https://doi.org/10.46991/PYSU:B/2020.54.3.235.