Terkowsky, Claudius, et al. “Integrating Remote Labs into Personal Learning Environments - Experiential Learning With Tele-Operated Experiments and E-Portfolios”. International Journal of Online and Biomedical Engineering (iJOE), vol. 9, no. 1, Jan. 2013, pp. pp. 12-20, doi:10.3991/ijoe.v9i1.2364.