1.
Christen A, Hofmann M. Implementation of E-Portfolio in the First Academic Year at the University of Teacher Education St. Gallen. Int. J. Emerg. Technol. Learn. [Internet]. 2008 Feb. 15 [cited 2024 Apr. 18];3(1). Available from: https://online-journals.org/index.php/i-jet/article/view/256