WASET
    Moon-Tak Oh and  Kyung-Min Park and  Tae-Eun Yoon and  Hoon Choi and  Chil-Woo Lee,  Design of Middleware for Mobile Group Control in Physical Proximity.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2013, vol. 84(12). 1585 - 1588
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/9996649.