Volume 37, Issue 1, September 2019, Pages 112-117
Ashraf Abd El Tawab; Amira Mohamed; Ahmed Ammar; Mohamed Mohamed
Volume 35, Issue 2, December 2018, Pages 107-119
Ashraf Abd El- Tawab; Ahmed Ammar; Ahmed Hamouda; Salma S. El-Deen
Volume 34, Issue 1, March 2018, Pages 374-391
Ashraf A Abd El Tawab; Ahmed A Ammar; Heba A Ahmed; Ahmed A Hefny