S. Humaidi, H. Ginting, and A. Maghfirah, “The Preparation of (Tl1Pb1-xMx)Sr2Ca2Cu3O9-? Superconductor via Stoichiometric Reaction”, IJSBAR, vol. 31, no. 1, pp. 368–374, Jan. 2017, Accessed: Feb. 09, 2026. [Online]. Available: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/6767