Volume 18, Issue 1, August 2020, Pages 10-16
Azza A. Ibrahim; Rasha M Saleh; Azza E. Hassan; Magdy S. Amer
Volume 12, Issue 1, April 2014, Pages 43-56
E. M. E El-Siefy; M. A. EL-Sherbieny; Ayat. A. Ragab
Volume 9, Issue 1, April 2011, Pages 189-209
H.M. Shaheen; M.W. El-Sheikh
Volume 6, Issue 2, October 2008, Pages 174-195
F.M.M Farag