(3CSGSjGJ GdQSe GdgfOSj (B/ s - (3SYjO, SajGf Jhajb CMeOs; (3GdNWjH, YGgO Ydjs; (3GdUhd, eeOhMs ((3YeGf (B:s (3OGQ UaGA,s, 1997)
Keywords: (3GdQSe GdgfOSj GdGhdjs