(3LQjeI GdQThI GdEfJNGHjI (B:s (3OQGSI ebGQfI (B/s - (3Ydj YOfGf Gdajd s ((3GdEScfOQjI (B:s (3OGQ GdLGeYI GdLOjOI ,s, 2012)
(3jTJed Ydj GQLGYGJ HHdjhLQGajI(B.s
(3HHdjhLQGajG (B: (3UaMGJ (B263 - 267.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdLQGFe GdedMbI HGdQThIs; (3GdbGfhf GdLfGFjs