Volume 70, Issue 4, October 2019, Pages 405-419
A. A.O. Fakkar; A. E.A Ismail; M. H.A. Moharam
Volume 63, Issue 1, January 2012, Pages 108-115
N. A. Aziz
Volume 59, Issue 4, October 2008, Pages 306-312
A. A. Al-Kahal; El-S. A. Hassan; W. D. Saleh