(3WQb GdWYf aj GdCMcGe GdeOfjI hGdLfGFjI (B/s - (3eMeO CMeO YGHOjf(B.s ((3GdbGgQI (B: s (3OGQ GdeWHhYGJ GdLGeYjI,s, 1984)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3WQb GdWYf aj GdCMcGe GdLfGFjI(B.s