Noah G. Akhimien and  Eshrar Latif,  Incorporating Circular Economy into Passive Design Strategies in Tropical Nigeria.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2019, vol. 154(10). 1380 - 1385
    [viewed 18 November 2019]. Available from: https://publications.waset.org/pdf/10010839.