Afifah R, Ellianawati E. Student Cognitive Profile with STEM Based Teaching Material on the Subject of Vibrations and Waves. jpppf [Internet]. 2019 Dec. 28 [cited 2024 Nov. 22];5(2):217-26. Available from: https://journal.unj.ac.id/unj/index.php/jpppf/article/view/9343