Humaidi, S., Ginting, H., & Maghfirah, A. (2017). The Preparation of (Tl1Pb1-xMx)Sr2Ca2Cu3O9-? Superconductor via Stoichiometric Reaction. International Journal of Sciences: Basic and Applied Research (IJSBAR), 31(1), 368-374. https://gssrr.org/JournalOfBasicAndApplied/article/view/6767