(3fXQGJ Mhd GdWYf ZjQ GdbVGFj hCfXeJg cVeGfI ddMbhb hGdMQjGJ GdYGeI (B: s (3OQGSI aj cd ef GdJTQjY GdCQOfj hGdebGQf (B: (3eNJda feGPL GdCfXeI ZjQ GdbVGFjI (B- (3hdGjI GdeXGde ehQhK GdOhd GdYQHjI hGdESdGejI GdSjGSj hGdbVGFj JcedgG hdGjI GdMSHI (B- (3fXGe GdeahV GdHQdeGfj hJWHjbGJg GdPj PgHJ Edjg GdOhd GdChQhHjI (B- (3GdeGOI (B17 (3ef OSJhQ (B1952 (3GdCQOfj jJjM QaO GdCfXeI GdbVGFjI HCfXeI ZjQ bVGFjI eKGdgG OjhGf GdeXGde (B/ s - (3ZRhj, eMeO Sdje eMeOs ([(3ecGf GdfTQ ZjQ eMOO(B] : s [(3GdfGTQ ZjQ eMOO(B](3, s, 2013)
Keywords: (3fbV GdCMcGes -- (3GdCQOfs; (3GdMQjGJ GdYGeIs -- (3GdCQOfs