(3GdeYGQVI aj GdCMcGe GdLfGFjI (B: s (3acQI GdeYGQVI (B: (3JWhQ CMcGe GdeYGQVI aj GdJTQjY GdeUQj (B/ s - (3GdHdTj, RZdhd s ((3GdEScfOQjI, eUQ (B: s (3efTCI GdeYGQa, s, 1998)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3bGfhf GdELQGAGJ GdLfGFjI s -- (3eUQ s; (3GdOYhi GdLfGFjIs -- (3bhGfjf hJTQjYGJ s -- (3eUQ s; (3GdWYf aj GdCMcGe s -- (3eUQ s; (3GSJFfGa GdCMcGe s -- (3eUQ s