TY  - BOOK
AU  - Williams,J.D.
TI  - Mathematics reform in the primary school: a report of a meeting of experts held in Hamburg during January, 1966 
AV  - QA135.5 M3.7
PY  - 1967///
CY  - Hamburg [Al. Fed.]
PB  - Institute for Education
KW  - Matemáticas
KW  - Estudio y enseñanza (Elemental)
ER  -