Volume 49, Issue 1, April 2019, Pages 163-172
REFAAT MA KHALIFA; ABDEL-NASSER A. HUSSEIN; NERMEAN M. HUSSEIN; ZEINAB T. M. ABDEL-GHAFFAR
Volume 45, Issue 1, April 2015, Pages 75-84
REFAAT MA KHALIFA; HEMELY ABDEL-SHAFY HASSAN; HODA SAADY MOHAMADAIN; YASSER FARHAT MAHMOUD KARAR