WASET
    Nasser Mohamed Ramli and  Nurul Izzati Zulkifli,  Fuzzy Logic and Control Strategies on a Sump.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2018, vol. 134(2). 30 - 37
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/10008565.