Fartosy SH, Kohees M, Mohammed Ali ZA, Faleeh JM, Hassan S. Evaluating Micro-Crack Propagation in Concrete Under Freeze-Thaw Cycles Using a Multi-Frequency Ultrasonic Approach. Civ Eng J [Internet]. 2026 Mar. 1 [cited 2026 Mar. 26];12(3):1124-39. Available from: https://www.civilejournal.org/index.php/cej/article/view/6068