Volume 34, Issue 4, October 2017, Pages 2327-2354
A. S. EL-Sayed; A.E. M. Eata
Volume 28, Issue 4, October 2011, Pages 1119-1140
M. M. Naim; M. E. Yehia
Volume 26, Issue 4, October 2009, Pages 1965-1972
M.M. Naim; M.E. Yehia; A.B. El-Abd