فهمي I. .; شلدان M. S. . Changes in Leaf Nitrogen of Olive Trees Sprayed With Urea. المجلة الليبية للعلوم الزراعية, [S. l.], v. 6, n. 1, 2023. Disponível em: http://uot.edu.ly/journals/index.php/ljagric/article/view/611. Acesso em: 17 2024.