J. K. Shrestha and  A. Benta and  R. B. Lopes and  N. Lopes,  A Methodology for Definition of Road Networks in Rural Areas of Nepal.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2013, vol. 78(6). 422 - 426
    [viewed 07 July 2020]. Available from: https://publications.waset.org/pdf/13942.