(3GdJONd GdOhdj GdEfSGfj (B:s (3OQGSI abgjI hJWHjbjI aj VhA bhGYO GdbGfhf GdOhdj (B/s - (3MSGe CMeO eMeO gfOGhjs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1997)
. 266-257 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3Mbhb GdEfSGfs -- (3GdESdGes; (3GdbGfhf GdOhdj GdYGes