Messaoudi, T., S. Mazouz, and B. Fritsch. “Study of the Historical Urban Evolution of Bejaia City (a Mediterranean City in North Algeria)”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 37, no. 1, Nov. 2017, pp. 305-1, https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/3318.