MADRONIO, J. Enhancing vocabulary among grade 4 deaf and hard-of-hearing (DHH) learners through an online sign language intervention: A mixed method study. Interdisciplinary Research Review, [S. l.], v. 17, n. 4, p. 8–14, 2022. Disponível em: https://ph02.tci-thaijo.org/index.php/jtir/article/view/245980. Acesso em: 16 sep. 2026.