TY  - BOOK
AU  - 
AU  -  Ferri,Elsa
TI  -  Streaming in the primary school : :  a longitudinal study of childre n in streamed and non-streamed junior schools / 
U1  -  372.1254 BAR 
PY  - 1970///
CY  -  Slough : 
PB  -  National Foundation for Educational Research in England and Wales, 
KW  -  Ability grouping in education
KW  -  Elementary schools
KW  -  Great Britain
KW  -  Ability in children
N1  -  Includes bibliographies
ER  -