Hadi, M.F., Alwaan, E.M. and Abass, W.H. (2017) “Nonlinear Optical Characteristics of Crystal VioletDye Doped Polystyrene Films by Using Z-Scan Technique”, Al-Mustansiriyah Journal of Science, 27(5), pp. 83–88. doi:10.23851/mjs.v27i5.172.