JOURNAL, B. S. Design and construction Optically Gas Laser: Nahla.A. Al Jabar|Kamal.H.Latif |Bushra R.Mhdi|Huda A. Al Jabar|Basher R.Mhdi. مجلة بغداد للعلوم, Iraq, Baghdad, v. 10, n. 4, p. 1223-1231, 2013. DOI: 10.21123/bsj.2013.10.4.1223-1231. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2836. Acesso em: 18 2021.