(3GdCSGS GdbGfhfj ddeSFhdjI GdLfGFjI dQFjS GdJMQjQ Yf GdLQGFe GdJj JbY HWQjb GdUMa (B:s (3OQGSI ebGQfI (B/s - (3QeVGf, eOMJ YHO GdMdjes ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1993)
(3HHdjhLQGajI (B: (3UaMI (B104-112.s
Keywords: (3GdUMGaIs -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3GdUMajhfs -- (3hVY bGfhfj, bhGfjf, EdN(B.s -- (3eUQs; (3GdeSFhdjI GdLfGFjI ddUMajhfs -- (3eUQs