Influence Application of Learning Models Problem Based Learning (PBL) Against Results Study Mathematics Student Class VII SMP Negeri 1 Pangkur. IJSR [Internet]. 2024 Oct. 18 [cited 2026 Mar. 4];1(3):151-60. Available from: https://www.penerbitjurnalinternasional.com/index.php/ijsr/article/view/731