Volume 47, Issue 2, April 2018, Pages 403-422
Eman S. Mahmoud; Azza H. Abd Elwahab; Asmaa F. Yousuf
Volume 46, Issue 3, July 2017, Pages 643-656
Ahmad Gad Alla; Ahmad M Gad Alla
Volume 44, Issue 4, October 2015, Pages 339-350
Mohamed Hassan Abdelsattar