Ali, A. Kareem, AND 		Shafeek, Nihad Ali.
" Fabrication and study the effect of the laser  on the properties of the compound  Tl2-xHgxBa2-ySryCa2Cu3O10+δ superconductor" <em>Ibn AL- Haitham Journal For Pure and Applied Sciences</em> [Online], (24 April 2018)