Moumoutzis, N., Y. Sifakis, S. Christodoulakis, and D. Paneva-Marinova. “A Reference Framework to Establish and Sustain Onlife Communities and Its Use: Rich Learning Experiences in History With ViSTPro”. Digital Presentation and Preservation of Cultural and Scientific Heritage, vol. 9, Sept. 2019, pp. 27-42, doi:10.55630/dipp.2019.9.2.