Sadjadi, Farzad, and Ahad Bagherzadeh Khalkhali. “Geotechnical Challenges of Tehran Metro Line 7 (South Northern Route)”. Civil Engineering Journal 4, no. 5 (June 3, 2018): 1117–1126. Accessed June 29, 2025. http://civilejournal.org/index.php/cej/article/view/923.