TY  - BOOK
AU  - Zawacki-Richter,Olaf
ED  - Springer
TI  - Systematic reviews in educational research: methodology, perspectives and application 
SN  - 9783658276041
U1  - 370.72 23
PY  - 2020///
CY  - Wiesbaden
PB  - Springer VS
KW  - Education research
KW  - Action research in education
N1  - Includes bibliographical references
ER  -