Volume 36, Issue 1, January 2019, Pages 1-24
M. Ibrahim; M. Omran; E. Abd EL-Rhman
Volume 35, Issue 2, April 2018, Pages 423-444
M. M. Ibrahim
Volume 34, Issue 2, April 2017, Pages 887-910
H. N. Abd El-Mageed,; M. M. Ibrahim; O. M. Elsherbiny