Volume 64, Issue 158, July 2018
HASSAN AHMED; WALAA EMEISH; ZEINAB AL-AMGAD
Volume 62, Issue 150, July 2016, Pages 45-51
WALAA F.A. EMEISH; AYA G. SAAD EL-DEEN
Volume 35.2, Issue 70, July 1996, Pages 72-83
S.H. AFIFI