TY  - BOOK
AU  - John Hattie 
AU  - Shirley Clarke 
TI  - Visible learning : : feedback 
SN  - 9781138599895
U1  - 371.14 HAT 
PY  - 2019///
CY  -  London, 
PB  -  Routledge, Taylor & Francis Group
KW  -  EDUCATION Administration General
KW  - EDUCATION Organizations & Institutions
N1  - Includes bibliographical references and index
ER  -