1. Abbott-Shim, M., & Sibley, A. (1998). Assessment Profile for Early Ehildhood Programs. Research Edition II. Atlanta, GA: Quality Assist.
2. Locating learning in in-service education for preschool teachers;Adger;American Education Research Journal,2004
3. Administration for Children, Youth, and Families. (2001). Head Start FACES: Longitudinal findings on program performance. Third progress report. Washington, DC: Department of Health and Human Services. http://www.acf.hhs.gov/programs/opre/hs/faces/reports/perform_3rd_rpt/meas_99_title.html.
4. Inside the pre-k classroom: A study of staffing and stability in state-funded prekindergarten programs;Bellm,2002
5. Family and classroom correlates of Head Start children's development outcomes;Bryant;Early Childhood Research Quarterly,1994