Allan Tubaileh and  Ibrahim Hammad and  Loay Al Kafafi,   Robot Cell Planning .   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2007, vol. 2(2). 93 - 96
    [viewed 28 November 2021]. Available from: https://publications.waset.org/pdf/9540.