Hysteresis Behaviour of Sensitivity In CH4 Detection in Air Using SnO2 with Pd as Sensitizing Additive. Jurnal Teknologi, [S. l.], v. 36, n. 1, p. 55–60, 2012. DOI: 10.11113/jt.v36.566. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/566.. Acesso em: 21 jul. 2024.