Chung-Woon Park and  Jungwoo Lee and  Jong-Tae Lim,  Task Planning for Service Robots with Limited Feedback.   journal   = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2012, vol. 72(12). 1472 - 1474
    [viewed 21 October 2021]. Available from: https://publications.waset.org/pdf/4795.