TY  - JOUR
U1  - Zeitschriftenartikel, wissenschaftlich - begutachtet (reviewed)
A1  - Meyer, André
A1  - Richter, Dirk
A1  - Hartung-Beck, Viola
T1  - The relationship between principal leadership and teacher collaboration: investigant the mediating effect of teachers' collective efficacy
JF  - Educational management administration & leadership
Y1  - 2020
SN  - 1741-1440
SS  - 1741-1440
VL  - 2020
ER  -