Mohammed Aliyu, Aliyu, and N E Ahmed. “Structure and Physical Properties of 30MgSO4-(70-X) P2O5-xSm2O3 Glasses”. EDUCATUM Journal of Science, Mathematics and Technology, vol. 6, no. 2, Dec. 2019, pp. 22-34, https://doi.org/10.37134/ejsmt.vol6.2.3.2019.