I. W. Sumandya, N. P. . Sinta, and I. M. . Ariana, “Applying PBL-Based Student Worksheets In Increasing Students’ Motivation To Learn Mathematics In Class VIII-G SMPN 8 Denpasar In The Academic Year 2023/2024”, Mathline, vol. 10, no. 1, pp. 1–15, Feb. 2025.