Volume 46, Issue 5, September 2019, Pages 1593-1603
Mahmoud M. Sorour; S. A. Shehata; Kh. M. El-Melegy
Volume 43, Issue 6, November and December 2016, Pages 2023-2035
Mahmoud M.A. Said; S. A. Shehata; B. A. Khalil