WASET
    M. O’Driscoll and  M. Anwar and  M. G. Rasul,  Eco-Roof Systems in Subtropical Climates for Sustainable Development and Mitigation of Climate Change.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2013, vol. 79(7). 395 - 403
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/16252.