TY  - JOUR
AU  - Manev, Mancho
TI  - Preface
JO  - Mathematics and Education in Mathematics
PY  - 2023
SP  - 5
EP  - 6
VL  - 52
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MEM_2023_52_a7/
LA  - bg
ID  - MEM_2023_52_a7
ER  -