(3GdfXGe GdGHhi hGTcGdjI JNda GdeLJeY GdYQHi (B/ s - (3gTGe TQGHis ([S.N] : (3eQcR OQGSGJ GdhMOI GdYQHjI , s, 1988)
Keywords: (3JGQjNs; (3GdMVGQI GdYQHjI GdGSdGejI (B- (3GdeYGQa GdHMQjIs; (3GdGSQIs; (3GdKbGaIs; (3GdGLJeGYs; (3GdJNda GdKbGais; (3GdLgds; (3GdeLJeY GdYQHis; (3GdGHhIs; (3GdJNda GdGLJeGYis