Y. Abdelrazig and  R. Moses,  Preliminary Roadway Alignment Design: A Spatial-Data Optimization Approach.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2015, vol. 101(5). 602 - 606
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10001416.