(3WHbGJ GdMaGX (B/ s - (3GdSjhWi (B: (3LdGd GdOjf GHhGdaVd YHOGdQMef Hf GHi HcQ Hf eMeO GdNVjQis ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI ddfTQ hGdJhRjY ,s, 1983)
Keywords: (3GdQhGg (B- (3JQGLes; (3GdMaGX (B- (3JQGLes; (3GdSjhWi s; (3GdUMGHIs; (3GdJGHYjf s