Volume 27, Issue 2, July 2017, Pages 377-397
Gamal Ashour; Abdelmenim sedki; Samah Abdel-Rahman; Khaled Hassan El kholy
Volume 27, Issue 2, July 2017, Pages 485-506
Mahmoud El-Kelawy; Aly Saied El-Shafey
Volume 23, Issue 1, January 2013, Pages 1-15
Safaa Barakat; Amal Hekal; Tarek Soliman