Rajneesh Rani and  Renu Dhir and  G. S. Lehal,  Identification of Printed Punjabi Words and English Numerals Using Gabor Features.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2011, vol. 49(1). 13 - 16
    [viewed 14 December 2019]. Available from: https://publications.waset.org/pdf/14969.