TY  - JOUR
AU  - عبدالهی, بیژن
AU  - zeinabadi, hasan reza
AU  - Sattardabbaghi, Alireza
AU  - Abbasian, Hossein 
TI  - The origins of teachers' professional competencies; Explain the informal learning model
JO  -  Quarterly Journal of Training and Development of Human Resources
VL  - 6
IS  - 23
SP  - 0
EP  - 0
PY  - 2020
DO  - 
ER  -