AGUSTIANI, E.; TAHRUN; MULYADI. Statistical Insights of the Effectiveness Using Serial Cartoon Pictures and Learning Motivation among Eighth Students’ Speaking Skills: English . Journal of English Development, [S. l.], v. 4, n. 01, p. 159–168, 2024. DOI: 10.25217/jed.v4i01.4319. Disponível em: https://journal.iaimnumetrolampung.ac.id/index.php/jed/article/view/4319. Acesso em: 6 jul. 2025.