Z. KASSAB-BASHI, A.; TH. SAIEED, N.; M. OMAR, O. Doubling the Chromosome Number of Black Poplar Trees (Populus nigra L.) by Colchicine In vitro. Rafidain Journal of Science, [S. l.], v. 25, n. 5, p. 1–16, 2014. DOI: 10.33899/rjs.2014.131363. Disponível em: https://ojs.uomosul.edu.iq/index.php/rsci/article/view/47695. Acesso em: 16 sep. 2025.