00578nam a2200097Ia 4500008004100000100009000041245025900131260002700390650001400417856004900431171212s9999    xx            000 0 und d  aHamilton, Laura S.;Kaufman, Julia H.;Stecher, Brian M.;Naftel, Scott;Robbins, Michael  cHamilton, Laura S.;Kaufman, Julia H.;Stecher, Brian M.;Naftel, Scott;Robbins, MichaelaWhat Supports Do Teachers Need to Help Students Meet Common Core State Standards for Mathematics?bFindings from the American Teacher and American School Leader Panels  bRAND Corporationc2016  aEducation  uhttp://jstor.org/stable/10.7249/j.ctt19w71cr