(3GdjghO h Cda djdI h djdI (B: (3OQGSI JMdjdjI fbOjI ebGQfI ef GdCYeGb Edi GdBaGb (B/ s - (3GdHOQj, LeGds ((3OeTb (B:s (3UaMGJ ddOQGSGJ h GdfTQ,s, 2007)
Keywords: (3GdbUU GdJGQjNjgs; (3Yde GdGSGWjQs; (3GdGTcGd GdGOHjgs; (3GdjghOs