Mega Puspitaratu, Elsa, Suprihatin Suprihatin, Pulung Karo karo, and Ediman Ginting Suka. 2023. “Effect of CaCO3 Levels on Formation Phase Material BSCCO-2212 Superconductor With Method Mixing Wet”. Journal of Energy, Material, and Instrumentation Technology 4 (2):53-57. https://doi.org/10.23960/jemit.v4i2.47.