WASET
    Zalizah Awang Long and  Abdul Razak Hamdan and  Azuraliza Abu Bakar,  Anomaly Based On Frequent-Outlier for Outbreak Detection in Public Health Surveillance.   journal   = {International Journal of Medical and Health Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2013, vol. 75(3). 151 - 158
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/95.