Ben Salah HADJI, Mostefa HANI. Influence of Natural Pozzolan Addition on Concrete via Compressive Strength and Propagation of Ultrasonic Wave Velocity Methods. AS [Internet]. 2023 Dec. 19 [cited 2025 May 10];24(6):101-9. Available from: https://www.periodicos.ulbra.org/index.php/acta/article/view/126