(3GdfXQjI GdYGeI ddGKHGJ GdLfGFj (B: s (3OQGSI ebGQfI Hjf GdfXe GdGLQGFjI GddGJjfjI hGdGfLdhSchShfjI hGdTQjYI GdGSdGejI (B/ s - (3YHO GdYGd, gdGdj YHO GddGg GMeO, s ((3GdbGgQI (B[(3eUQ(B] : s (3OGQ GdfgVI GdYQHjI, s, 2011)
(3jJVef GQLGYGJ HHdjhLQGajI(B.s
(3GdMGFR Ydi eQJHI GdTQa hGdJHGOd eY GdLGeYGJ hGdgjFGJ GdGLfHjI(B.s
Keywords: (3GdGKHGJ (B((3bGfhf(B).s; (3GdGKHGJ (B((3abg GSdGej(B).s; (3GdbGfhf GdLfGFj GdebGQf(B.s