WASET
    Mongkorn Klingajay and  Tawatchai Jitson,  Real-time Laser Monitoring based on Pipe Detective Operation.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2008, vol. 18(6). 770 - 775
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/6436.