TY  - JOUR
AU  - Georgieva, Desislava
TI  - Diagnostic assessment tools for determining the level of learners’ fraction skills
JO  - Mathematics and Education in Mathematics
PY  - 2020
SP  - 190
EP  - 197
VL  - 49
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MEM_2020_49_a20/
LA  - bg
ID  - MEM_2020_49_a20
ER  -