“Influence of Silver and Copper Nanoparticles on the Enzymatic Activity of Soil-Borne Microorganisms”. Baghdad Science Journal 19, no. 6(Suppl.) (December 5, 2022): 1487. Accessed March 13, 2025. https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/6532.