00297nam a2200109Ia 4500008004100000020001800041082001500059100001900074245005100093260003500144300000800179190710s9999    xx            000 0 und d  a1-4129-5027-5  a372.83 K84  aKottler, Ellen 0aSecrets to success for social studies teachers  aCaliforniabCorwin Pressc2008  a258