PENGARUH PROBLEM BASED LEARNING BERBANTUAN WORDWALL TERHADAP HASIL BELAJAR DAN KEMAMPUAN BERPIKIR KRITIS SISWA KELAS XI SMA NEGERI 2 PERCUT SEI TUAN. JSSR [Internet]. 2026 Apr. 30 [cited 2026 Aug. 3];9(2):1876-83. Available from: https://goretanpena.com/jurnal/index.php/JSSR/article/view/6037