Sahar MR, Budi AS. OPTICAL BAND GAP AND IR SPECTRA OF GLASSES IN THE SYSTEM [Nd2O3](x)-[CuO](35-x)-[P2O5](65) . Solid State Sci. Technol. [Internet]. 2026 Mar. 16 [cited 2026 Jul. 29];14((1&2):115-20. Available from: https://journal.massmalaysia.org/ojs/index.php/ssst/article/view/409