(3GdSjGSI GdNGQLjI GdCeQjcjI Hjf eOQSJjf GdeMGaXjf GdLOO hGdhGbYjI (B/s - (3bHjSj, gGOjs ((3HjQhJ (B:s (3GdOGQ GdYQHjI ddYdhe fGTQhf,s, 2008)
(3HHdjhLQGajI (B: (3U(B. 151-157.s
Keywords: (3GdhdGjGJ GdeJMOI GdCeQjcjIs -- (3YdGbGJ NGQLjIs