The impact of peer relations on academic progress in junior high by Lubbers, M, Van der Werf, M, Snijders, T, Creemers, B, Kuyper, H

Assessing individual lessons using a generic teacher observation instrument: how useful is the International System for Teacher Observation and Feedback (ISTOF)? by Muijs, D, Reynolds, D, Sammons, P, Kyriakides, L, Creemers, B, Teddlie, C