Asfara, S. R., W. Gunawan, and N. Nurdi. “Pemanfaatan Internet Diera Digital”. GRAVITASI: Jurnal Pendidikan Fisika Dan Sains, Vol. 2, no. 01, June 2019, pp. 13-17, https://ejurnalunsam.id/index.php/JPFS/article/view/1728.