TY  - JOUR
AU  - Lenni Haapasalo
AU  - Đorđe Kadijević
TI  - Using Innovative Technology for Revitalizing Formal and Informal Mathematics: a Special View on the Interplay Between Procedural and Conceptual Knoledge
JO  - The Teaching of Mathematics
PY  - 2003
SP  - 81 
VL  - VI
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM2_2003_VI_2_a1/
LA  - en
ID  - TM2_2003_VI_2_a1
ER  -