Pranoto, Alfian, Wahyu Hardyanto, and Masturi Masturi. “An Analysis of Facebook Activities on The Positive and Negative Effect Toward Elementary School Students”. Journal of Primary Education 7, no. 2 (June 6, 2018): 187-194. Accessed May 3, 2024. https://journal.unnes.ac.id/sju/jpe/article/view/23533.