Subramaniam Chandran,  From F2F to Online Sessions: Changing Pattern of Instructions in Open and Distance Learning in India.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 1667 - 1670
    [viewed 15 August 2020]. Available from: https://publications.waset.org/pdf/13969.