Salih, Khalid Jamal, and Sabah Jalal Fathi. 2025. “Effect of Aluminum Oxide (Al₂O₃) Addition on the Structural and Electrical Properties of Bi-2223 High-Temperature Superconductors (Bi₂Ca₂Ba₂) ₁₋ₓAl₂O₃Cu₃O₁₀₊δ”. Central Asian Journal of Medical and Natural Science 6 (4):1590-97. https://doi.org/10.51699/cajmns.v6i4.2873.