Assirey, Eman, Z. Al-Qodah, and M. Al-Ahmadi. “Impact of Traffic Density on Roadside Pollution by Some Heavy Metal Ions in Madinah City, Kingdom of Saudi Arabia”. Asian Journal of Chemistry 27, no. 10 (June 22, 2015): 3770–3776. Accessed December 21, 2024. https://asianpubs.org/index.php/ajchem/article/view/27_10_51.