(3JbQjH GdCSGfjO hJQJjH GdeSGfjO (B/s - (3GdYQGbj, YHO GdQMje Hf GdMSjf Hf YHO GdQMef,s 725-806 (3gLQjs ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 1984)
(3jTJed Ydi cTGaGJ(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdMOjKs -- (3ESfGOs; (3GdMOjKs -- (3LhGeY Gdafhfs