VOICE ANNOUNCER AND MEDICINE INJECTOR. International Journal of Engineering Research and Science & Technology, [S. l.], v. 22, n. 2, p. 2749–2754, 2026. DOI: 10.62643/. Disponível em: https://ijerst.org/index.php/ijerst/article/view/2974. Acesso em: 30 apr. 2026.