Souad Guessar, Hadja Mama Abdeldjebar. Preserving the Old Ksar of Beni-Abbes- Algeria . Migrat. Lett. [Internet]. 2023 Oct. 6 [cited 2025 Jul. 10];20(S7):. 620-628. Available from: https://migrationletters.com/index.php/ml/article/view/4423