Instruments to explore blended learning: Modifying a method to analyse online communication for the analysis of face-to-face communication.
Bas A. de LengDiana H. J. M. DolmansH. H. L. M. DonkersArno M. M. MuijtjensCees P. M. van der VleutenPublished in: Comput. Educ. (2010)