Berrueta-Clement, J.R.Schweinhart, L.J.Weikart, D.P.2007-11-131982-04-012007-11-131982IDRC-172ehttp://hdl.handle.net/10625/19693In IDL-7774p. 42-51Application/pdfenLasting effects of preschool education on children from low income families in the United StatesBook Chapter