Ramadan, Suror, Walid M. Khammas, Ali H. Hameed, and Mohammed Hiyassat. “Evaluate the State of Building Maintenance Performance in Construction Projects: A Case Study of Iraq, Diyala”. Diyala Journal of Engineering Sciences 16, no. 2 (June 1, 2023): 113–122. Accessed July 7, 2024. https://mail.djes.info/index.php/djes/article/view/995.