Kurnianto, B., Wiyanto, W. and Haryani, S. (2019) “Critical Thinking Skills and Learning Outcomes by Improving Motivation in the Model of Flipped Classroom”, Journal of Primary Education, 8(6), pp. 282-291. Available at: https://journal.unnes.ac.id/sju/jpe/article/view/27783 (Accessed: 23November2024).