(3GdUOGbI h GdUOjb (B/ s - (3CHh MjGf GdJhMjOj, Ydj Hf eMeO Hf Ydjs; (3UdGM, Ydj eJhdjs ((3GdbGgQI (B:s (3ecJHI GdCOGH,s, 1972)
Keywords: (3GdTYQ GdYQHjs; (3GdUOGbIs