Larasafitri MN, Gunawan G, Kosim K. The Validation of Learning Devices Based on Cognitive Conflict Approach in Blended Learning Model. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2022 Dec. 30 [cited 2024 May 9];8(6):3117-20. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/2185