@misc{Koniewski_Maciej_Estimating,
 author={Koniewski, Maciej},
 howpublished={online},
 publisher={Educational Research Institute},
 language={pol},
 type={article},
 title={Estimating teacher effect using hierarchical linear modelling},
 keywords={sociology of education, teacher effect, school determinants of education achievement, hierarchical models, HLM},
}