%0 Journal Article
%A Ahmadi, Manijeh
%T Identifying Challenges to Development of Distance Education from the Perspective of Payame Noor University Professors
%J  Quarterly Journal of Training and Development of Human Resources
%V 7
%N 24
%P 0-0
%D 2020
%R 
%U https://rimag.ir/fa/Article/30966