The relationship between principal leadership and teacher collaboration: investigant the mediating effect of teachers' collective efficacy

A. Meyer, D. Richter, and V. Hartung-Beck, "The relationship between principal leadership and teacher collaboration: investigating the mediating effect of teachers' collective efficacy," Educational management administration & leadership : emal ; journal of the British Educational Leadership, Management & Administration Society, vol. 2020, pp. 593-612, 2020.