(3GbJUGOjGJ GdfbhO hGdJhGRf GdfbOi (B/s - (3aDGO gGTe YhVs ((3GdbGgQI(B:s (3OGQ GdfgVI GdYQHjI,s, 1976)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdfbhO hGdHfhcs; (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs