Volume 31.2, Issue 62, July 1994, Pages 164-169
A.M. HAFEZ
Volume 31.2, Issue 62, July 1994, Pages 170-176
A.M. HAFEZ
Volume 25.1, Issue 49, April 1991, Pages 152-159
A.A. FAYED; Z.E. KAWASMEH; A.M. HAFEZ; S. EL-AMROUSI
Volume 24.2, Issue 48, January 1991, Pages 188-196
A.M. HAFEZ; S.A. RAZIG; S. EL-AMROUSI; A.B. AL HENDI
Volume 19.1, Issue 37, September 1987, Pages 139-145
A.M. HAFEZ; S.A. RAZIG; S. EL-AMROUSI; R.O. RAMADAN
Volume 15.2, Issue 30, January 1986, Pages 183-188
S. EL-AMROUSI; A.M. HAFEZ; N.A. ASHOUR; S. ABDEL RAZIG; R.O. RAMADAN
Volume 15.2, Issue 30, January 1986, Pages 189-197
S. EL-AMROUSI; H.M. GOHAR; A.M. HAFEZ; R.O. RAMADAN; M.A. AL-GHRAM
Volume 15.1, Issue 29, September 1985, Pages 155-160
S. EL AMROUSI; H.M. GOHAR; A.M. HAFEZ
Volume 12.2, Issue 24, September 1984, Pages 125-132
M.S. YOUSSEF; A.Z. MAHMOUD; A.M. HAFEZ
Volume 12.2, Issue 24, September 1984, Pages 179-184
M.S. HASSAN; N.K. HASSAAN; A.M. HAFEZ
Volume 12.2, Issue 24, September 1984, Pages 185-193
A.A. AMER; A.M. HAFEZ
Volume 12.2, Issue 24, September 1984, Pages 217-226
A.A. FARRAG; I.A. SALEM; A. GOMAA; A.M. HAFEZ
Volume 11.2, Issue 22, January 1984, Pages 145-153
A.M. HAFEZ; A.A. AMER
Volume 11.1, Issue 21, June 1983, Pages 171-175
A.M. HAFEZ; H. IBRAHIM; A. GOMAA; A.A. FARRAG; I.A. SALEM
Volume 10.2, Issue 20, January 1983, Pages 132-139
SAMIA, M. EL-SAYYAD; A.M. HAFEZ; NABILA GAZIA; N.K. HASSAN