HASSAN, Karim H.; HUMMADI, Khalid Kh. Production of Formaldehyde by Catalytic Conversion of Methanol. Iraqi Journal of Chemical and Petroleum Engineering, Baghdad, Iraq., v. 5, n. 3, p. 33–39, 2004. DOI: 10.31699/IJCPE.2004.3.6. Disponível em: https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/693.. Acesso em: 17 may. 2024.