Study of Utilization of Ferric Oxide Thin Films as a Nitrogen Dioxide Gas Sensor. Journal of the College of Basic Education, [S. l.], v. 24, n. 102, p. 47–54, 2022. DOI: 10.35950/cbej.v24i102.6393. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/6393.. Acesso em: 24 jun. 2026.