Adinarayanane Ramamurthy and  Monsingh D. Devadas,  Smart Sustainable Cities: An Integrated Planning Approach towards Sustainable Urban Energy Systems, India.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 73(1). 252 - 272
    [viewed 07 May 2021]. Available from: https://publications.waset.org/pdf/10365.