Volume 23, Issue 3, July 2019, Pages 63-76
Salma Ragheb; Mohammad Solyman; Ahmed Gafar
Volume 23, Issue 1, January 2019, Pages 50-56
Ahmed Kenawy; Islam . Amer; Ahmed Gafar; Kamal El-Sharkawy
Volume 21, Issue 3, October 2017, Pages 401-404
Kamal El-Sharkawy; Omar Abdel_Raheem Sayed; Ahmed Gafar; Mohamed Allam
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