Volume 38, Issue 1, 2018, Pages 1-16
Dalia Ahmed; M. El-Beheiry; A. Sharaf El-Din; G. T. El-Taher
Volume 35, Issue 1, 2015, Pages 45-76
Dalia Ahmed; KAMAL sHALTOUT; Hasnaa Hosni; R. El-Fahar