Volume 62, Issue 148, January 2016, Pages 39-47
ARAFAT KHALPHALLAH; HANAN ELSAYED; ENAS ELMELIGY; SAYED EL-HAWARI
Volume 61, Issue 147, October 2015, Pages 144-147
MOHAMMED ELRASHIDY
Volume 31.1, Issue 61, April 1994, Pages 269-279
N.A. MISK; M.A. SELEIM; A.A. MANSOUR; I.H. AHMED