“IMPLEMENTASI MODEL PROBLEM BASED LEARNING (PBL) BERBANTUAN YOUTUBE TERHADAP HASIL BELAJAR PPKN SISWA DI KELAS IV SD NEGERI 101927 SEKIP KECAMATAN LUBUK PAKAM”. 2022. Jurnal Tematik 12 (2). https://doi.org/10.24114/jt.v12i2.35500.