Nor Azuana Ramli and  Mohd Tahir Ismail and  Hooy Chee Wooi,  Designing Early Warning System: Prediction Accuracy of Currency Crisis by Using k-Nearest Neighbour Method.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2013, vol. 79(7). 1134 - 1139
    [viewed 09 August 2020]. Available from: https://publications.waset.org/pdf/16439.