WASET
    Kwame B. O. Amoah,  Defining a Pathway to Zero Energy Building: A Case Study on Retrofitting an Old Office Building into a Net Zero Energy Building for Hot-Humid Climate.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2023, vol. 199(7). 314 - 320
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10013186.