TY  - JOUR
AU  - Attary, Maryam
AU  - Akbari, Hooshang
AU  - yousefi, esmaeil
TI  - The use of concept mapping and Vee diagram to calculate the volume by the integral
JO  - Journal of New Researches in Mathematics
VL  - 6
IS  - 4
SP  - 33
EP  - 40
PY  - 2020
DO  - 
ER  -