S. Alhireer, Abraheem, و Hamza Ben Omran. "Use of Tefla As Partial Replacement of Cement in Concrete Mix". International Journal of Engineering Research 1, no. 1 (فبراير 10, 2023): 33–45. تاريخ الوصول أبريل 10, 2025. https://journal.su.edu.ly/index.php/ijer/article/view/994.