Ali A, Nur Aidi M, Indahwati I, Irzaman I. B-spline Regression Modeling of Strontium Titanate Data in Transmittance Properties with Rutenium Oxide Doping Concentration. IJSBAR. 2019;47(2):208-218. Accessed July 11, 2026. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/10129