TARASOWA, D.; KHALILI, A.; AUER, S. CrowdLearn: Crowd-sourcing the Creation of Highly-structured E-Learning Content. International Journal of Engineering Pedagogy (iJEP), [S. l.], v. 5, n. 4, p. pp. 47–54, 2015. DOI: 10.3991/ijep.v5i4.4951. Disponível em: https://online-journals.org/index.php/i-jep/article/view/4951. Acesso em: 26 sep. 2022.