“COMPOSITE SORBENTS BASED ON DIATOMITE-BENTONITE AND PAPER-PULP FOR THE REMOVAL OF HEAVY METALS”. Proceedings of the YSU B: Chemical and Biological Sciences 55, no. 2 (255) (August 30, 2021): 125–135. Accessed March 10, 2026. https://journals.ysu.am/proceedings-chem-biol/article/view/vol55_no2_2021_pp125-135.