OYE, Rotimi; SALVADOR-CISNEROS, Katherine. Improving oral communication skills of English learners with voice messages and short videos. Revista Tecnológica - ESPOL, Guayaqui, EC, v. 34, n. 2, p. 155–164, 2022. DOI: 10.37815/rte.v34n2.888. Disponível em: https://rte.espol.edu.ec/index.php/tecnologica/article/view/888. Acesso em: 19 oct. 2025.