Journal, Baghdad Science. 2021. "The Effect Of Thickness on The Optical Properties Of ZnS: Raad.M.S.Al-Hadad | Raheem G.K Al-Morshdy | Hussein Kh Al-Lamey ". مجلة بغداد للعلوم 4 (4). Iraq, Baghdad:647-52. https://doi.org/10.21123/bsj.2007.4.4.647-652.