Nicolas Michinov, Estelle Michinov. Face-to-face contact at the midpoint of an online collaboration: Its impact on the patterns of participation, interaction, affect, and behavior over time.
Computers & Education, 2008, 50 (4), pp.1540 - 1557.
⟨10.1016/j.compedu.2007.03.002⟩.
⟨hal-01766115⟩