TY  - JOUR
AU  - badakhshan targhi, esmat
AU  - solimanpour omran, mahbobeh
AU  - fazli, rokhsareh
TI  - Identification of factors affecting quality improvement of multi-grade classes in Elementary Schools
JO  - Educational Leadership & administration
VL  - 16
IS  - 4
SP  - 147
EP  - 172
PY  - 2023
DO  - 
ER  -