Volume 36, Issue 4, October 2019, Pages 1177-1192
W. A. Mahmoud; N. S. M. Elkaoud
Volume 34, Issue 4, October 2017, Pages 1971-1988
A. A. EL-Nakib; H. A. Abdel Mawla; A. K. Zaalouk; W. A. Mahmoud