“Effect of Reactive Metakaolin Prepaird by Thermal Shock on Some Mechnical Properties of Self-Compacting Concrete ”, JUBES, vol. 27, no. 2, pp. 287–299, Jul. 2019, Accessed: Oct. 03, 2025. [Online]. Available: https://mail.journalofbabylon.com/index.php/JUBES/article/view/2403