Z. Kassab-Bashi, A., عمار, Th. Saieed, N., ناظم, M. Omar, O. and عمر (2025) “Doubling the Chromosome Number of Black Poplar Trees (Populus nigra L.) by Colchicine In vitro”, Rafidain Journal of Science, 25(5), pp. 1–16. doi: 10.33899/rjs.2014.131363.