Kula, Maria Apriyana Angelina, et al. “Pengaruh Model Problem Based Learning Terhadap Hasil Belajar Matematika Kelas V Sekolah Dasar ”. JGK (Jurnal Guru Kita), vol. 9, no. 3, June 2025, pp. 906-1, doi:10.24114/jgk.v9i3.64582.