[1] Kwame Nkrumah Univ Sci & Technol, Dept Construct Technol & Management, Kumasi, Ghana
[2] Univ Hong Kong, Dept Real Estate & Construct, Hong Kong, Peoples R China
[3] Bond Univ, Fac Soc & Design, Robina, Australia
[4] Kwame Nkrumah Univ Sci & Technol, Dept Construct Technol & Management, Private Mail Bag,Univ PO, Kumasi, Ghana