Salama, K. F., M. Zafar, D. A. Alrabea, A. A. Alqahtani, S. A. Almarghoub, and A. A. Alshehri. “Air Pollution from Traffic at Major Causeway Al-Khobar, Saudi Arabia”. Journal of Ecophysiology and Occupational Health, vol. 20, no. 1&2, June 2020, pp. 1-5, doi:10.18311/jeoh/2020/24730.