WASET
    J. J. Gyimah and  E. Kissi and  S. Osei-Tutu and  C. D. Adobor and  T. Adjei-Kumi and  E. Osei-Tutu,  Exploring the Challenges to Usage of Building and Construction Cost Indices in Ghana.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2022, vol. 183(3). 77 - 81
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10012435.