(3bQjfI UMI GdbQGQ GdEOGQj CeGe GdbVGA GdEOGQj hGdOSJhQj (B: s (3GdebUhO HbQjfI UMI GdbQGQ GdEOGQj hJhbjJ GdGYJOGO HgG (B- (3MOhO JbjO GdbGVj GdEOGQj HbQjfI UMI GdbQGQ GdEOGQj (B- (3EYeGd GdbGVj GdOSJhQj dbQjfI GdUMI aj fWGb GdbQGQGJ GddGFMjI (B- (3GdBKGQ GdeJQJHI Ydi JWHjb bQjfI UMI GdbQGQGJ GdEOGQjI (B- (3CKQ UOhQ Mce bVGFj HQaV GdWYf Ydi bQjfI UMI GdbQGQ GdEOGQj (B- (3feGPL eJfhYI PGJ UdI ef CMcGe GdeMceI GdEOGQjI GdYdjG heMceI GdbVGA GdEOGQj (B/ s - (3YWjI, eMehO MeOj YHGSs ([(3ecGf GdfTQ ZjQ eMOO(B] : s [(3GdfGTQ ZjQ eMOO(B](3, s, 2012)
Keywords: (3GdbQGQGJ GdGOGQjIs; (3GdbGfhf GdEOGQjs; (3GdbGfhf GdOSJhQjs