(3GdJfXje GdOSJhQi ddhXjaI GdYGeI (B:s (3OQGSI ebGQfI (B/s - (3CTQa eMeO GfS LYaQs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 2009)
. 430-413(3HHdjhLQGajG(B: (3UaMGJs
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU CZdHg HGddZI GdYQHjI eY HYV GdfUhU GdEfLdjRjIs
Keywords: (3GdhXjaI GdYGeIs; (3GdJfXje GdEOGQjs; (3GdbGfhf GdEOGQjs