W. M. Faisal, Tran., “Study The Effect of Substitution Ag on behavior of The High Temperature of YBa2Cu3-xAgxO6.5+δ Superconductor”, TU J. Nat. Appl. Sci. , vol. 5, no. 1, pp. 91–100, Jan. 2023, doi: 10.59167/tujnas.v5i5.1308.