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. Disponível em: https://ijiarec.com/ijiarec/article/view/300. Acesso em: 25 jun. 2022.