Volume 4, Issue 18, November and December 2019, Pages 547-572
Nehal Afify; Wael Kamel El Sayed
Volume 4, Issue 17, September and October 2019, Pages 560-584
Nehal Afify; Mohamed El sawy
Volume 4, Issue 16, July and August 2019, Pages 550-570
Nehal Afify
Volume 4, Issue 13, January and February 2019, Pages 570-591
Nehal Mohamed
Volume 3, Issue 10 (1), April 2018, Pages 387-409
Abeer Ibrahim; Nihal Mohamed