Z. Kassab-Bashi, Ammar, عمار, Nathim Th. Saieed, ناظم, Omar M. Omar, and عمر. “Doubling the Chromosome Number of Black Poplar Trees (Populus Nigra L.) by Colchicine In Vitro”. Rafidain Journal of Science 25, no. 5 (June 24, 2025): 1–16. Accessed August 9, 2025. https://ojs.uomosul.edu.iq/index.php/rsci/article/view/13021.