Volume 44, Issue 2, December 2019, Pages 59-65
Khater Abdelfatah Khater; S. A. Abdella
Volume 44, Issue 1, June 2019, Pages 47-62
K. A. Khater; Y. A. Abd El-Tawab; A. A. Abd El-Dayem
Volume 44, Issue 1, June 2019, Pages 63-73
K. A. Khater; A. R. Mohammed