Synthesis, Characterization and Gas Sensor Application of New Composite Based on MWCNTs:CoPc:Metal Oxide. Baghdad Science Journal, Iraq, Baghdad, v. 18, n. 2, p. 0384, 2021. DOI: 10.21123/bsj.2021.18.2.0384. Disponível em: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/5073.. Acesso em: 27 jun. 2025.