(3JShjI cGeH OjajO heSJbHd GdUQGY GdYQHj (B- (3GdUgjhfj (B/ s - (3GdYdhGf , TQja LhjO s ((3HZOGO (B: s (3OGQ hGSW , s, 1982)
Keywords: (3GdfRGY GdYQHj GdGSQGFjdj s