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 Jul. 27];9(2):1876-83. Available from: https://jurnal.goretanpena.com/index.php/JSSR/article/view/6037