Version(3)-Issue(3) / Department of Medical and Health, Natural and Formal Sciences, Engineering and Information Technology. / By molerena4@gmail.com 15/2/2024 Effect of information technology on the finical performance of the companiesDr. Jamal Abdul Rahim Aboalvardتنزيل Matrices and Gershgorin theoremDr. Jamal Abdul Rahim Aboalvardتنزيل