TY  - JOUR
A1  - Claessens, A.
A1  - Duncan, G.
A1  - Engel, M.
T1  - Kindergarten skills and fifth-grade achievement: Evidence from the ECLS-K
Y1  - 2009
DO  - 10.1016/j.econedurev.2008.09.003
VL  - 28
IS  - 4

ER  -