(3GSS GdadSaI s - (3Jhajb GdWhjd s (3CSJGP GdadSaI HcdjI GdBOGH (B_ (3LGeYI GdbGgQIs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 1979)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3adSaI YGeI s; (3GSGSjGJ adSajI s