“Investigation of Clay Deposits as Supplementary Cimentitious Materials (Scm): Case Study of Songololo Deposit, Kongo Central/Dr Congo”, LJRS, vol. 23, no. 18, p. -, Nov. 2023, Accessed: Feb. 04, 2026. [Online]. Available: https://testing.journalspress.uk/index.php/LJRS/article/view/499