ZEGA, I.; AHMAD LAUT HASIBUAN; ASNAWI. Developing English Pronouncation Teaching Materials for Second Grade Students Though Tongue Twister. International Journal of Educational Research Excellence (IJEREC), [S. l.], v. 6, n. 1, p. 634–647, 2026. DOI: 10.55299/ijere.v6i1.1994. Disponível em: https://ejournal.ipinternasional.com/index.php/ijere/article/view/1994. Acesso em: 7 oct. 2026.