FARHI, A. (1999) “CONGESTION, HYPERCEPHALIE ET PÔLES D’EQUILIBRE. CAS DE LA WILAYA DE BATNA”, Sciences & Technology. A, exactes sciences, (12), pp. 81–87. Available at: https://revue.umc.edu.dz/a/article/view/1642 (Accessed: 7 May 2024).