IOT-BASED SMART HELMET WITH INTEGRATED WIRELESS COMMUNICATION FOR HAZARD DETECTION AND WORKER SAFETY. Spectrum Journal of Innovation, Reforms and Development, [S. l.], v. 39, p. 115–127, 2025. Disponível em: https://sjird.journalspark.org/index.php/sjird/article/view/1231. Acesso em: 30 jan. 2026.