MODELING, CONSTRUCTION AND CALIBRATION OF A CO2 SENSOR. DIDACTIC PROPOSAL FOR THE IMPLEMENTATION OF THE "SCIENCE AND TECHNOLOGY" MODULE FOR THE SUBJECT "SCIENCE FOR CITIZENSHIP". Chilean Journal of Scientific Education, [S. l.], v. 23, n. 1, p. 38–48, 2022. Disponível em: http://revistas.umce.cl/index.php/RChEC/article/view/2431. Acesso em: 20 sep. 2026.