Eman Sulaeman. “Upaya Meningkatkan Pemahaman Materi (PPKn) Dengan Strategi Peer Lessons”. Progressive of Cognitive and Ability 2, no. 1 (January 5, 2023): 64–73. Accessed December 20, 2025. https://journals.eduped.org/index.php/jpr/article/view/151.