Azali Saudi and  Jumat Sulaiman,  Autonomous Vehicle Navigation Using Harmonic Functions via Modified Arithmetic Mean Iterative Method.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2019, vol. 148(4). 101 - 107
    [viewed 24 October 2019]. Available from: https://publications.waset.org/pdf/10010273.