Puspananda DR, Irhadtanto B. Project Based Blended Learning Using Cognitive Conflict Strategy: A Framework for Effective Blended Learning. JPE [Internet]. 2023 Jul. 20 [cited 2025 Sep. 28];10(2):125-30. Available from: http://ojsdev.ikippgribojonegoro.ac.id/index.php/JPE/article/view/3232