Yousif Ibrahim, Mwafaq, and Dhuha Abdulgani Al-kazzaz. 2021. “Utilizing BIM 4D in Improving Project Execution Scheduling A Realistic Project for the Mosul Municipality As a Case Study”. Al-Rafidain Engineering Journal (AREJ) 26 (1):1-18. https://doi.org/10.33899/rengj.2021.128695.1068.