WASET
    Junji Kaneko and  Shigeyuki Haruyama and  Ken Kaminishi and  Tadayuki Kyoutani and  Siti Ruhana Omar and  Oke Oktavianty,  Proposal of Design Method in the Semi-Acausal System Model.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 98(2). 171 - 175
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/10000523.