Muhammed Yousoof and  Mohd Sapiyan and  Khaja Kamaluddin,  Measuring Cognitive Load - A Solution to Ease Learning of Programming .   journal   = {International Journal of Computer and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2007, vol. 2(2). 32 - 35
    [viewed 22 October 2021]. Available from: https://publications.waset.org/pdf/12683.