(3bQUfI GdGfJQfJ (B/ s - (3QGaJ fHjd Ydhgs ((3GdGQOf (B: s (3ecJHI GdeLJeY GdYQHi ddfTQ hGdJhRjY , s, 2006)
Keywords: (3GdMGSHGJ GdGdcJQhfjI (B- (3HQGeLs; (3GdEfJQfJs; (3GdMGSHGJ GdGdcJQhfjI (B- (3ajQhSGJs; (3GdgGcQRs; (3GdEfJQfJ (B- (3Cef GdHjGfGJs