HALVONÍK, Dominik; KAPUSTA, Jozef. Framework for e-Learning Materials Optimization. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 15, n. 11, p. pp. 67–77, 2020. DOI: 10.3991/ijet.v15i11.12721. Disponível em: https://online-journals.org/index.php/i-jet/article/view/12721. Acesso em: 4 may. 2024.