SARI HARAHAP, F. Learn English Online Using IXL Language Arts. Indonesian Journal of Multidisciplinary Expertise, [S. l.], v. 1, n. 4, p. 46–58, 2023. DOI: 10.31004/ijme.v1i4.19. Disponível em: https://multidisiplin.com/index.php/ijme/article/view/19. Acesso em: 7 jun. 2026.