Itrubah, Abdulmunem Salim, et al. “Study of the Possibility of Using Recycled Aggregates in the Production of Environmentally Friendly Concrete”. Conference On Engineering Science and Technology, vol. 6, no. 5، مجلة الجامعة الأسمرية, Dec. 2021, pp. 112-99, https://conf.asmarya.edu.ly/index.php/cest2021/article/view/84.