WASET
    Tan Ping Hua and  Yeong Che Fai and  Ricky Yap and  Eileen Su Lee Ming,  Development of a Low Cost Haptic Knob.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2011, vol. 58(10). 2027 - 2030
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/13008.