https://revistas.udistrital.edu.co/index.php/Tecnura/article/view/16934
http://services.igi-global.com/resolvedoi/resolve.aspx?doi=10.4018/978-1-7998-8047-9.ch074
https://slejournal.springeropen.com/articles/10.1186/s40561-020-0114-1
http://services.igi-global.com/resolvedoi/resolve.aspx?doi=10.4018/IJOPCD.2019040104
https://www.cambridge.org/core/product/identifier/9781108654555%23CN-bp-15/type/book_part
https://www.cambridge.org/core/product/identifier/9781108654555/type/book
https://research-publishing.net/manuscript?10.14705/rpnet.2017.mooc2016.669