Read Al-Healy, Ragda, and Ibrahim Anwer Ibrahim. “Assessment of Tolerance Levels to Air Pollution for Some Species of Trees and Shrubs Growing on Roadsides in Western Mosul City”. Journal of Education and Science (JES) 31, no. 2 (June 1, 2022): 10–28. Accessed August 7, 2025. https://ojs.uomosul.edu.iq/index.php/edusj/article/view/24490.