Pertiwi N, Saud US, Saffitri YNV. Utilization of the WhatsApp-Based Internet for Elementary School Students during the Covid-19 Pandemic. ICEE [Internet]. 2021Apr.12 [cited 2025Jun.6];3(1):126-32. Available from: https://proceedings.upi.edu/index.php/icee/article/view/1453