Qasim S, Jawad. Influence of Nano-TiO₂ Additives on the Swelling Behavior of Expansive Soils. Rafidain J. Eng. Sci. [Internet]. 2025 Nov. 8 [cited 2026 May 2];3(2):564-72. Available from: https://rjes.iq/index.php/rjes/article/view/296