UTOMO, Aries; BASTIAR, Islamiah. The Use of Instagram to Improve English Literature Students’ Self-Confidence in Mastering Speaking Skill. Jurnal Pendidikan Edutama, [S. l.], v. 7, n. 2, p. 81–92, 2020. Disponível em: http://ejurnal.ikippgribojonegoro.ac.id/index.php/JPE/article/view/980. Acesso em: 30 jul. 2025.