Sulistyanto, Hernawan. “The Potential of Hybrid Learning Models in Improving Students’ Critical Thinking Ability”. Urecol Journal. Part A: Education and Training 1, no. 1 (April 20, 2021): 1–8. Accessed May 2, 2024. https://e-journal.urecol.org/index.php/ujet/article/view/15.