Volume 4, Issue 13, January and February 2019, Pages 230-243
Sherif Abu Saadat; Omnia Abd Elaziz
Volume 3, Issue 12 (2), October 2018, Pages 246-258
Shereif Abo Al Saadat; Omina Abdel Aziz
Volume 3, Issue 10 (1), April 2018, Pages 296-316
Sherif Hosny; Omnia Abdel Aziz