KOLYVAS, G.; LOGARAS, C.; KOTSIFAKOS, D.; DOULIGERIS, C. Difficulties and Problems in the Implementation Phase of an Open Online Personalized Learning Environment for Vocational Education and Training for the Covid-19 period. Journal of Integrated Information Management, [S. l.], v. 6, n. 2, p. 21–27, 2024. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/jiim/article/view/37895. Acesso em: 17 jul. 2024.