Faisal , Widad Mahmood, trans. 2023. “Study The Effect of Substitution Ag on Behavior of The High Temperature of YBa2Cu3-xAgxO6.5+δ Superconductor”. Thamar University Journal of Natural & Applied Sciences 5 (1): 91-100. https://doi.org/10.59167/tujnas.v5i5.1308.