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Siregar, D. R. D.; Yudanto, S. D. .; Chandra, S. A.; Lubis, E. F. R.; Humaidi, S.; Darsono, N. Improvement of the Superconducting Properties of Carbon Addition on Bi1.6Pb0.4Sr2 Ca2Cu3O10+δ Prepared through the Two-Step Sintering Process. J Met Mater Miner 2021, 31, 76-81.