B. Mohammad, N., نمير, M. AL-Maula, T. and طه (2025) “Using a Device of Spectroscopic Ellipsometry for Studying the Effect of Changing of the Absorption Coefficient on the Optical Storage MR/BDK System of Different Concentration”, Rafidain Journal of Science, 19(6), pp. 120–127. doi: 10.33899/rjs.2008.41424.