Volume 29, Issue 2-C, December 2018, Pages 27-37
Wael M. Sameer
Volume 25, Issue 2-C, December 2014, Pages 21-30
Abdel Kareem S. Mohamed
Volume 24, Issue 2-C, December 2013, Pages 149-164
ABDEL KAREEM S. MOHAMED; MOHAMED A. SHADDAD