Pertiwi, Novalda, Udin Saefuddin Saud, and Yoesrina Novia Vini Saffitri. “Utilization of the WhatsApp-Based Internet for Elementary School Students During the Covid-19 Pandemic”. International Conference on Elementary Education 3, no. 1 (April 12, 2021): 126-132. Accessed July 10, 2025. https://proceedings2.upi.edu/index.php/icee/article/view/1453.