Morgado, L., Rocha, A., Seco, C., Saraiva, F. B., & Oliveira, N. R. (2019). Virtual communities
of Practice in distance education: an exploratory study for its development, IEEE, 1-5, doi:
10.1109/SIIE48397.2019.8970120.
http://hdl.handle.net/10400.2/9288