Moumoutzis, N.; Sifakis, Y.; Christodoulakis, S.; Paneva-Marinova, D. A Reference Framework to Establish and Sustain Onlife Communities and Its Use: Rich Learning Experiences in History With ViSTPro. DiPP 2019, 9, 27-42. https://doi.org/10.55630/dipp.2019.9.2.