M. Omar, O., عمر, A. Z. Kassab-Bashi, عمار, N. Th. Saieed, and ناظم. “Micropropagation of Black Poplar Trees ( Populus Nigra L. ) by Tissue Culture”. Rafidain Journal of Science, vol. 24, no. 12, June 2025, pp. 1-17, doi:10.33899/rjs.2013.80264.