(3GdJgjFI GdhXjajI hBdjGJ GdJejR GdhXjaj (B: s (3GdeONd dJMbjb GdQjGOI GdhXjajI ddYGedjf GdLOO hGdbOGei (B/ s - (3GHQGgje, eMeO eMeO, s ((3GdGScfOQjI (B[(3eUQ(B] : s (3GdOGQ GdLGeYjI, s, 2009)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B363-366.s
Keywords: (3GdehXahfs -- (3MhGaR(B.s; (3GdehXahfs -- (3JOQjH(B.s; (3GdehXahfs -- (3GNdGbjGJ GdegfI(B.s; (3GdSdhc GdGOGQj(B.s