(3OQGSGJ aj GdCOH GdMOjK (B/ s - (3GdgGTej, HTjQs ((3WQGHdS (B((3djHjG (B) :s (3OGQ ecJHI GdacQ,s, 1967)
Keywords: (3GdCOH GdYQHjs; (3GdfbO GdCOHjs; (3GdbQf GdYTQhfs