(3GdhSjW aj OYhi UMI GdJYGbO hOYhi UMI GdJhbjY Ydi GdHjY (B/s - (3YHO GdJhGH, eYhVs ((3GdEScfOQjI, eUQ (B:s (3efTCI GdeYGQa,s, 1985)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdHjYs -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3GdOYhi GdeOfjIs -- (3eUQs; (3GdYbhO (B((3bGfhf eOfj(B)s -- (3eUQs