Ramadisya, W.; Aryani, R.; Kurniawan, L. A. The Effect of Problem-Based Learning (PBL) on Junior High School Students’ Problem-Solving Skills: Pengaruh Model Pembelajaran Problem Based Learning (PBL) Terhadap Kemampuan Pemecahan Masalah Siswa SMP. ainj 2025, 6, 490-498.