Volume 22, Issue 1, January 2019, Pages 1-13
Salah Elsawy; Kamal Abd-Elrhaman Kamal; Mohamed Gomaa Attia Zouair
Volume 22, Issue 1, January 2019, Pages 39-46
Abd El-Hamied Salah Eldin El-Zarka; Kamal Abd-Elrhaman Kamal; Mohamed Mahmoud Ahmed