Gas sensing performance of Sol-gel grown NiO-doped Cr2O3 nanoparticles. Iraqi Journal of Physics, [S. l.], v. 16, n. 37, p. 15–22, 2018. DOI: 10.30723/ijp.v16i37.72. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/72.. Acesso em: 27 apr. 2024.