(3dZI GdCOGQI GdYGeI aj eUQ aj GdbQf GdJGSY YTQs (3GdcJGH GdChd (B/s - (3YHO GdSejY SGde GdMUQGhjs ((3GdbGgQI (B:s (3OGQ heWGHY GdTYH,s, 1963)
523-531. (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdEOGQI GdYGeIs