Zainol, Zuraidah, and Nursyafiqah Mohd Samingin. “The Effect of WhatsApp Application Usage on Student Achievement in Business-Based Subjects”. International Business Education Journal 15, no. 2 (December 16, 2022): 49–56. Accessed April 26, 2024. https://ojs.upsi.edu.my/index.php/IBEJ/article/view/6609.