HarvardX and MITx: Two years of Open Online Courses Fall 2012-Summer 2014

Ho, A. D., Chuang, I., Reich, J., Coleman, C. A., Whitehill, J., Northcutt, C. G., Williams, J. J., et al. (2015). HarvardX and MITx: Two years of Open Online Courses Fall 2012-Summer 2014. HarvardX Working Paper.