WASET
    Ebrahim Panah and  Muhammad Yasir Babar,  A Survey of WhatsApp as a Tool for Instructor-Learner Dialogue, Learner-Content Dialogue, and Learner-Learner Dialogue.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2020, vol. 168(12). 1198 - 1205
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/10011648.