THAIER ISMAIL, M.; مصطفى; SABER SABER MOHAMMED ALI, H.; حسین. Pollution by crude oil and used engine oil and their impact on growth and concentration of some nutrients elements of flax and safflower plants. Journal of Education and Science (JES), [S. l.], v. 31, n. 3, p. 54–65, 2022. DOI: 10.33899/edusj.2022.133858.1239. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17396. Acesso em: 4 aug. 2025.