Omar Mohammad, Muna. “A Morphological and Chemical Study of Some Cultured L. Pyrus Malus Cultivars in Nineveh Governorate”. Journal of Education and Science (JES) 26, no. 2 (June 1, 2013): 130–145. Accessed August 6, 2025. https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23341.