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 47, Issue 2, March 2020, Pages 477-485
Mahrous R.A. Mahrous; S. I. Yousif-Khalil; Zeinab A. Mohamed; R. E. Sanad