TY  - BOOK
AU  - Streefland,Leen
TI  - Fractions in realistic mathematics education: a paradigm of developmental research 
T2  - Mathematics education library
SN  - 0792312821
PY  - 1991///
CY  - Dordrecht
PB  - Kluwer Academic Publishers
KW  - Fractions
KW  - Study and teaching (Primary)
N1  - References : p. 343-349
ER  -