M. Soryani and  N. Rafat,  Application of Genetic Algorithms to Feature Subset Selection in a Farsi OCR.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2008, vol. 18(6). 2167 - 2170
    [viewed 16 December 2019]. Available from: https://publications.waset.org/pdf/5202.