Balaban I, Divjak B, Mu E. Meta-model of EPortfolio Usage in Different Environments. Int. J. Emerg. Technol. Learn. [Internet]. 2011 Sep. 16 [cited 2024 Apr. 30];6(3):pp. 35-41. Available from: https://online-journals.org/index.php/i-jet/article/view/1594