[1]
G. Kolyvas, C. Logaras, D. Kotsifakos, and C. Douligeris, “Difficulties and Problems in the Implementation Phase of an Open Online Personalized Learning Environment for Vocational Education and Training for the Covid-19 period”, J Integr Inf Manag, vol. 6, no. 2, pp. 21–27, May 2024.