Ali . . ط. ط. ., and Taha ح. ط. . “The Effect of Urea Fertilization on the Yield and Oil of Medicinal Plants , Sweet Cumin, Fenugreek, Coriander and Anise, Which Are Always Cultivated”. College of Basic Education Research Journal, vol. 21, no. 2.1, Aug. 2025, pp. 485-98, doi:10.33899/berj.2025.Vol21.Iss2.1.51292.