إعلان http://fac.ksu.edu.sa/kalkhidir مزيد من إعلان Papers published and reviewed by Professor Doctor Khalid Elyas Mohamed Elameen Alkhidir 06 Mar 2024 Papers Published and Reviewed by Prof. Khalid Elyas Mohamed Elameen Alkhidir http://fac.ksu.edu.sa/kalkhidir