M. H. Ahmed, and Z. S. Omran. “ EFFECT OF CuO NANOPARTICLES ON SEED GERMINATION AND SEEDLING GROWTH IN ECHINACEA PURPUREA IN VITRO”. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, vol. 55, no. Special, Jan. 2024, pp. 34-42, https://doi.org/10.36103/ijas.v55iSpecial.1883.