1. Dept. of Quantity Surveying, Faculty of Architecture, Planning and Surveying, Universiti Teknologi Majlis Amanah Rakyat, Shah Alam, Selangor 40450, Malaysia (corresponding author). ORCID: .
2. Associate Professor, Dept. of Quantity Surveying, Faculty of Built Environment and Surveying, Universiti Teknologi Malaysia, Skudai, Johor 81310, Malaysia.