TY  - BOOK
AU  - Yates,Alfred
TI  - The organization of schooling: a study of educational grouping practices
T2  - Students library of education
SN  - 0710070470
U1  - 371.25 YAT 
PY  - 1971///
CY  - London
PB  - Routledge and K. Paul
KW  - Group work in education
N1  - Includes bibliographical references and index

ER  -