Sufianita D, Primardiana Hermilia Wijayati, Mirjam Anugerahwati. Cognitive Presence in Blended Learning: An Investigation of Students’ Perceptions and Expectations. Onoma [Internet]. 2023Oct.11 [cited 2024Sep.20];9(2):1329-41. Available from: https://e-journal.my.id/onoma/article/view/3002