KOK, Ayse. The Praxis of Learning Analytics for a Conceptual Open Textbooks System. Global Journal of Human-Social Science Research, [S.l.], jan. 2017. ISSN 2249-460X. Available at: <https://socialscienceresearch.org/index.php/GJHSS/article/view/1930>. Date accessed: 04 mar. 2021.