(3JWhQ GdeLJeY GdESdGej GdYQHj (B/s - (3eMehO Mdejs ((3GdbGgQI (B:s (3OGQGdacQ GdYQHj,s, 1974)
(3HTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeLJeYGJ GdESdGejIs; (3GdeLJeY GdYQHjs