TY  - JOUR
AU  - Niss, Mogens
TI  - Aspects of the nature and state of research in mathematics education
JO  - Documenta mathematica
PY  - 1998
SP  - 767
EP  - 776
VL  - ICM Berlin 1998, Vol. III
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DOCMA_1998__S9__a4/
LA  - en
ID  - DOCMA_1998__S9__a4
ER  -