WASET
    Kriangkrai Maneerat and  Chutima Prommak,  On the Analysis of Localization Accuracy of Wireless Indoor Positioning Systems using Cramer's Rule.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 1622 - 1626
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9504.