TY  - JOUR
AU  - Janasz, Marek
AU  - Pieronkiewicz, Barbara
TI  - Factorial number system as an example of substantial learning environment for pre- and in-service teachers of mathematics
JO  - Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia
PY  - 2018
SP  - 71
EP  - 91
VL  - 10
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AUPCDM_2018_10_1_a5/
LA  - en
ID  - AUPCDM_2018_10_1_a5
ER  -