Volume 11, Issue 2, June 2020, Pages 1257-1270
Marwa Abd ELkreem Ibrahim; Samah Hamdy Abdel Hafez
Volume 11, Issue 2, June 2020, Pages 1271-2182
Marwa Abd Elkreem Ibrahim; Nadia Kasem Alaswad
Volume 11, Issue 1, March 2020, Pages 1067-1084
Marwa Abd Elkreem Ibrahim; Mona Abd ElKareem Hegazy; Hanaa Diab Khalfallah