Ali . . ط. ط. .; 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, [S. l.], v. 21, n. 2.1, p. 485–498, 2025. DOI: 10.33899/berj.2025.Vol21.Iss2.1.51292. Disponível em: https://moss.uomosul.edu.iq/index.php/berj/article/view/51292. Acesso em: 26 oct. 2025.