Yousif Ibrahim , Mwafaq, and Dhuha Abdulgani Al-kazzaz. “Techniques of Utilizing Information in BIM System A Comparative Study of International Standards for the UK, USA, Australia and Singapore”. Journal of University of Babylon for Engineering Sciences 28, no. 2 (November 1, 2020): 160 - 195. Accessed January 20, 2021. https://journalofbabylon.com/index.php/JUBES/article/view/3253.