M. Saied, S., صلاح, W. S. Hussan, and وسن. “Effect of Soil Extracts of Sunflower Residue In Germination and Growth of Wheat and Sunflower Cultivers”. Rafidain Journal of Science, vol. 19, no. 2, June 2025, pp. 52-64, doi:10.33899/rjs.2008.42316.