Gestira M, Abdurrahman, Viyanti. PjBL-Based Blended Learning Implementation on Energy Topic to Improve the Problem-Solving Skill. Impulse [Internet]. 2021 Jun. 28 [cited 2025 Feb. 1];1(1):32-41. Available from: https://ejournal.uin-suka.ac.id/tarbiyah/impulse/article/view/11-04