(3GdefXeGJ GdOhdjI(B/s - (3LYaQ YHOGdSdGes ((3GdbGgQI(B:s (3OGQ GdfgVI GdYQHjI(B,s, 1976)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3bGfhf Ohdj YGes; (3efXeGJ OhdjIs