Aliyu, U. S., I. G. Geidam, M. S. Otto, and M. Hussaini. “Investigations of the Elastic Moduli of Er2O3 NPs Doped TeO2 – B2O3 – SiO2 Glasses Using Theoretical Models”. Journal of the Nigerian Society of Physical Sciences, vol. 4, no. 1, Feb. 2022, pp. 9-15, doi:10.46481/jnsps.2022.222.