Bartels, Jörn. “Lernen Durch Die Hintertür. Neue Lernformen in Der Lebensspaane - C.W. Wedemeyer”. International Journal of E-Learning & Distance Education / Revue internationale du e-learning et la formation à distance 2, no. 1 (April 22, 1987): 97–98. Accessed April 29, 2024. https://ijede.ca/index.php/jde/article/view/572.