TY  - BOOK
AU  - Biggs,John B.
AU  - Hall,John
ED  - National Foundation for Educational Research in England and Wales
TI  - Mathematics and the conditions of learning: a study of arithmetic in the primary school 
U1  - 372.72 23
PY  - 1967///.
CY  - Slough: 
PB  - National Foundation for Educational Research in England & Wales, 
KW  - Arithmetic
KW  - Study and teaching (Primary)
N1  - Includes bibliographical references and indexes
ER  -