Joy Novi Yanti Lumbantobing, Jojor Mindo Manullang, Murniwati Lase, Al Firman, Reylan Silverius Sinaga. Observasi Metode Pembelajaran PPKN Di SMP Negeri 35 Medan. jpkf-widyakarya [Internet]. 2023 Nov. 14 [cited 2024 Nov. 22];1(4):172-8. Available from: https://ifrelresearch.org/index.php/garuda-widyakarya/article/view/1748