SWETHAA, A. R.; SALIM, A. Abdul; REDDY, A. Arjun Nihal; ANKITHA, C. D.; BHARDWAJ, Anupam. Low-Cost Respiratory Aid for Chronic Obstructive Pulmonary Disease (COPD). International Journal of Research in Engineering, Science and Management, [S. l.], v. 8, n. 4, p. 1–5, 2025. Disponível em: https://journal.ijresm.com/index.php/ijresm/article/view/3240.. Acesso em: 19 apr. 2025.