Volume 70, Issue 2, December 2020, Pages 121-136
Mohamed A.M. Elsaggan
Volume 70, Issue 2, December 2020, Pages 137-151
Mohamed A.M. Elsaggan
Volume 69, Issue 1, June 2019, Pages 101-121
Mohamed Elsaggan; Amira M. Shokry
Volume 68, Issue 1, June 2018, Pages 135-155
Mohamed Elsaggan; mohamed s khater; Gebril El Desouky
Volume 64, Issue 1, December 2014, Pages 17-40
Mohamed A.M. El Sagan
Volume 64, Issue 1, December 2014, Pages 41-64
Mohamed A.M. El Sagan; Evon K. Rizk