(3GhQGb aj GdbVjI GdadSWfjI(B/s - (3JgGfj SdGeg gdSg s ((3GdbGgQI(B:s (3eWHYI GdLHdGhj,s, 1967)
(3jTJed Ydj EQLGYGJ HHjdhLQGajI (B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdOhdj GdYGes -- (3GdefGWb ZjQ GdeSJbdIs