WASET
    Anuar Mohd Salleh and  Mohd Effendi Daud,  Development of a GPS Buoy for Ocean Surface Monitoring: Initial Results.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2015, vol. 102(6). 769 - 772
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10002692.