Pratama R, Wartono W, Kusairi S. The effect of ideal strategy with formative feedback on conceptual understanding and physics processing skill of XI graders senior high school. Momentum: Physics Education Journal [Internet]. 2019 Jun. 24 [cited 2024 Nov. 22];3(1):1-12. Available from: http://ejournal.unikama.ac.id/index.php/momentum/article/view/3142