1. Lecturer, Dept. of Construction Technology and Management, Kwame Nkrumah Univ. of Science and Technology, Private Mail Bag, Univ. Post Office, Kumasi, Ghana; Dept. of Real Estate and Construction, Univ. of Hong Kong, Pokfulam Rd., Hong Kong Special Administrative Region, China (corresponding author). ORCID: .
2. Professor Emeritus of Construction Project Management, Dept. of Real Estate and Construction, Univ. of Hong Kong, Pokfulam Rd., Hong Kong Special Administrative Region, China; Honorary Adjunct Professor, Faculty of Society and Design, Bond Univ., Robina, QLD 4226, Australia.