Ortiz Ocaña, Alexander, and Luis Carlos Hernández Elías. ICT in the SMEs of the 21st Century: Problems, Adoption and Training Needs in ICT. Research in Social and Solidarity Economy. Ediciones Universidad Cooperativa de Colombia, 2020. Accessed September 9, 2026. https://ediciones.ucc.edu.co/index.php/ucc/catalog/book/262.