Putri, Sinta Maidatul, and Andi Susanto. “Pemahaman Konsep Siswa Menggunakan Model Pembelajaran Problem Based Learning (PBL) Berbantuan Aplikasi Geogebra”. Lattice Journal : Journal of Mathematics Education and Applied, vol. 3, no. 2, Dec. 2023, pp. 144-56, doi:10.30983/lattice.v3i2.7490.