Structural Characterization of NiO/Cr2O3Composites and Hydrothermal Synthesis, Properties Gas Sensing. Al-Nahrain Journal of Science, [S. l.], v. 21, n. 1, p. 59–64, 2018. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/155.. Acesso em: 5 may. 2024.