Dhiyaa A, Hadi A, Ahmed A, Hassan M, Salim N, Hadher G. Assessing the impact of excluded risks on cost and time of construction projects in Samarra using the relative importance index (RII). Samarra J. Eng. Sci. Res. [Internet]. 2026 Jan. 28 [cited 2026 Jun. 13];3(4):1-19. Available from: https://journals.uosamarra.edu.iq/sjesr/article/view/150