Arthur, Benjamin Eduafo, Christopher Yarkwah, and Rosemary Twum. “Effectiveness of the Use of Whatsapp in the Learning of Mathematics Among University Students”. The International Journal of Science & Technoledge 8, no. 11 (November 30, 2020). Accessed June 26, 2024. http://internationaljournalcorner.com/index.php/theijst/article/view/156601.