AL-HADDAD, Raad M. S. Optical properties of TiO2 thin films prepared by reactive d.c. magnetron sputtering. Iraqi Journal of Physics, Baghdad, Iraq., v. 10, n. 18, p. 69–75, 2012. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/749. Acesso em: 3 apr. 2025.