1. A˚berg-Bengtsson L 2001 Threatened and controlled but important to the community: A review of research on small rural schools in Sweden Paper presented at the European Conference on Educational Research, ECER 2001, Lille, France.
2. Bryk AS Raudenbush S 1991 Hierarchical Linear Models for Social and Behavioral Research: applications and data analysis methods. Newbury Park, CA: Sage