WASET
    Arpan Paul and  Joy Sen,  Identifying Factors for Evaluating Livability Potential within a Metropolis: A Case of Kolkata .   journal   = {International Journal of Urban and Civil Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2017, vol. 121(1). 50 - 55
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10007409.