“PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR SISWA PADA MATERI INDEKS HARGA DIKELAS XI.1 SMA NEGERI 11 PALEMBANG”. 2026. Journal of Educational and Religious Perspectives 2 (1): 52-59. https://jurnal-muqaddimah.or.id/index.php/Al-Muqaddimah/article/view/45.