TY  - JOUR
AU  - Petkov, Pavlin
AU  - Georgieva, Sevdalina
AU  - Koleva, Elena
TI  - Mathematics in an electronic environment with Geogebra Activity  (M૯GA)
JO  - Mathematics and Education in Mathematics
PY  - 2021
SP  - 373
EP  - 380
VL  - 50
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MEM_2021_50_a43/
LA  - bg
ID  - MEM_2021_50_a43
ER  -