Extended Early Childhood Intervention and School Achievement: Age Thirteen Findings from the Chicago Longitudinal Study
1998 ◽
Vol 69
(1)
◽
pp. 231-246
◽
2006 ◽
Vol 11
(2)
◽
pp. 175-198
◽
1992 ◽
Vol 12
(3)
◽
pp. 428-434
◽