Volume 48, Issue 1, January and February 2021, Pages 79-84
Youssef Al-Kenawy; S. I. Yousif- Khalil; Shadia M. Omarh; H. M. Mansour
Volume 46, Issue 2, March and April 2019, Pages 367-375
Amany E. El-Nagar; S. I. Yousif-Khalil; S. M.A. El-Shakaa; Walaa M. Helaly