Khalid Khaleel Mohammad, D., د., Saad Gazai, M. and سعد 2012. Design and Fabrication of Thin Film a-Si/Al2O3 Infrared Filter. Al-Rafidain Engineering Journal (AREJ). 20, 4 (Aug. 2012), 60–68. DOI:https://doi.org/10.33899/rengj.2012.54156.