TY  - JOUR
AU  - Saadabadi, Ali Asghar
AU  - khayyatian, Mohammad Sadegh
AU  - محمدی اترگله, فاطمه 
TI  - analytical - rational  explanation (definition, concept, history, differentiation, similarity, propagation and expansion) of free innovation
JO  - Modiriat-e- farda
VL  - 20
IS  - 67
SP  - 109
EP  - 124
PY  - 2022
DO  - 
ER  -