Pages 1205-1213
Mahmoud Elrayes; Abdelrahman Youssif; Mahmoud Mohamed Abdou Youssef
Pages 1233-1241
ahmed ibrahim bedier; sally magdi teima; ahmed mohamed elshamy; abdallah mohammed elshal
Pages 1407-1413
Mahmoud Mahmoud Elrayes; Doaa Mohamed Elghandour; Mahmoud Mohamed Abdou Youssef