KESAVAN S P; SARITHA S; ARAVINTH K; GOKULNATH S; NISHA G; GOWTHAM C. A wireless alert system with gas sensor for pre-alert respiratory diseases. International journal of intellectual advancements and research in engineering computations, [S. l.], v. 5, n. 2, p. 1361–1366, 2017. DOI: 10.61096/ijiarec.v5.iss2.2017.1361-1366. Disponível em: https://ijiarec.com/ijiarec/article/view/1498. Acesso em: 7 may. 2026.