(3cJGH GdfHGJ (B/ s - (3GdCUeYj, CHh SYjO YHO Gdedc Hf bQjH Hf YHO Gdedcs; (3GdZfje, YHO Gddg jhSas ((3GdbGgQI (B:s (3eWHYI GdeOfj,s, 1972)
Keywords: (3Yde GdfHGJs; (3GdbhGejSs