S. AJITH; C. JOTHY HARI KRISHNAN; E. KARTHICK; DR. P. THIRUMOORTHY M.E. PH.D. IOT Based Real-time Monitoring System of Atmospheric Gases Using Arduino Uno. International journal of intellectual advancements and research in engineering computations, [S. l.], v. 7, n. 2, p. 2322–2327, 2021. DOI: 10.61096/ijiarec.v7.iss2.2019.2322-2327. Disponível em: https://ijiarec.com/ijiarec/article/view/300. Acesso em: 12 may. 2026.