4 1 10 خالد حمید Additional Author جعفر ، محمد Additional Author mixed material خالد حمید Additional Author جعفر ، محمد Additional Author mixed material Dendy, R. O. Additional Author خالد حمید Additional Author mixed material 9698595023 Bogoliubov, N. N. Additional Author خالد حمید Additional Author mixed material 969848809X