(3GdeLdI GdYQHjI ddOaGY GdGLJeGYj(B.s (3GdYOO GdKGfj (B1970 /s ((3GdQHGW (B:s (3GdefXeI GdYQHjI ddOaGY GdGLJeGYj VO GdLQjeI(B-(3LGeYI GdOhd GdYQHjI,s, 1970)
Keywords: (3GdbGfhf GdLfGFjs -- (3OhQjGJs