Official reprint from UpToDate
Medline ® Abstracts for References 4,8
of 'School readiness for children in the United States'
Lewit EM, Baker LS
Future Child. 1995;5(2):128.
Reconsidering school readiness: Conceptual and applied perspectives
Crnic K, Lamberty G
Early Educ Dev. 1994; 5:91.