Ramadan, Ibrahim, El Toukhy, Mahmoud, Hussien, Khaled Z., Tosti, Fabio ORCID: https://orcid.org/0000-0003-0291-9937 and Shaaban, Ibrahim 
ORCID: https://orcid.org/0000-0003-4051-341X
  
(2022)
Effect of road, environment, driver, and traffic characteristics on vehicle emissions in Egypt.
    International Journal of Civil Engineering, 20.
     pp. 1261-1276.
     ISSN 1735-0522