WASET
    Mawahib Gafare Abdalrahman Ahmed and  Abdallah Belal Adam and  John Ojur Dennis,  Capacitive Air Bubble Detector Operated at Different Frequencies for Application in Hemodialysis.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2009, vol. 26(2). 158 - 161
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/2299.