Sihombing L, Sinaga BN, Pasaribu KM. Peran Guru PKN dalam meningkatkan Kedisiplinan Siswa Kelas IX di Y.P Trijaya Medan. jiip [Internet]. 2022Oct.1 [cited 2025Aug.9];5(10):4163-6. Available from: https://www.jiip.stkipyapisdompu.ac.id/jiip/index.php/JIIP/article/view/966