IMPLEMENTASI MODEL PROBLEM BASED LEARNING (PBL) BERBANTUAN YOUTUBE TERHADAP HASIL BELAJAR PPKN SISWA DI KELAS IV SD NEGERI 101927 SEKIP KECAMATAN LUBUK PAKAM. tematik [Internet]. 2022 Oct. 18 [cited 2026 Mar. 21];12(2). Available from: https://jurnal.unimed.ac.id/2012/index.php/tematik/article/view/35500