(3GbJUGOjGJ GdJYGhf (B.s (3GdLRA GdGhd (B,s (3ai GdHfjGf GdJYGhfi (B/s - (3LGHQ LGO YHO GdQMef s ((3GdbGgQI (B:s (3ecJHI GdfgVI GdYQHjI (B,s, 1968)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeI h GdJTQjY GdVQjHi s