MOHAMMED HAMED, A.; A. MOHAMMED, A. Uptake of Copper Oxide Nanoparticles by Hypocotyl Callus Tissues of Helianthus annuus L. Seedlings. Rafidain Journal of Science, [S. l.], v. 31, n. 4, p. 32–42, 2022. DOI: 10.33899/rjs.2022.176075. Disponível em: https://edusj.uomosul.edu.iq/index.php/rsci/article/view/47463. Acesso em: 10 sep. 2025.