Al-Khalid Othman and  Wan A. Wan Zainal Abidin and  Kee M. Lee and  Hushairi Zen and  Tengku. M. A. Zulcaffle and Kuryati Kipli,  Wireless Sensor Networks for Swiftlet Farms Monitoring.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2009, vol. 36(12). 2372 - 2378
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/2613.