(3TQM GMcGe bGfhf GUhd GdeMGceGJ GdeOjfI (B: s (3OQGSI ebGQfI heYRRI HGdJWHjbGJ GdbVGFjI deMceI GdJejjR (B/ s - (3GdYHhOj , YHGS s ((3YeGf (B: s (3OGQ GdKbGaI ddfTQ hGdJhRjY , s, 2009)
Keywords: (3bGfhf GdeQGaYGJ s