WASET
    Enrique Barra and  Abel Carril and  Aldo Gordillo and  Joaquín Salvachúa and  Juan Quemada,  Design, Development and Evaluation of a Portable Recording System to Capture Dynamic Presentations Using the Teacher´s Tablet PC.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 87(3). 747 - 751
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9997772.