A. AL-ZUBAIDY, A. M.; S.GHAFOOR, B.; RASUL, A. A. The Performance of Two Species of Black Cumin (Nigella sativa L.) and (Nigella arvensis L.) Under Different Sowing Dates in Spring and Autumn at hallabja Governorate /Iraqi Kurdistan Region. Ibn AL- Haitham Journal For Pure and Applied Sciences, [S. l.], v. 33, n. 3, p. 1–10, 2020. DOI: 10.30526/33.3.2465. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/2465. Acesso em: 17 may. 2022.