1. Bridlington School England : Alan Twiddle Publishing;Mortimore;History,1999
2. The Advanced Placement Expansion of the s How Did Traditionally Underserved Students Fare Policy Analysis vol no;Klopfenstein;Education Archives,2004
3. Do Schools Make a Difference American;Summers;Economic Review,1977
4. High School Coursetaking : Findings from The Condition of Education Department of National Center for Education Washington;Planty;Education,2007
5. Regression discontinuity designs : A guide to practice of;Imbens;Journal Econometrics,2008