Humaidi, Syahrul, Herli Ginting, and Awan Maghfirah. “The Preparation of (Tl1Pb1-xMx)Sr2Ca2Cu3O9-? Superconductor via Stoichiometric Reaction”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 31, no. 1 (January 19, 2017): 368–374. Accessed February 9, 2026. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/6767.