Characterization of (SnO2)1-x(TiO2:CuO)x films as NH3 gas sensor. Iraqi Journal of Physics, [S. l.], v. 16, n. 39, p. 71–80, 2019. DOI: 10.30723/ijp.v16i39.105. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/105.. Acesso em: 3 may. 2024.