R. . Safitri, I. . Listyarini, and C. W. . Adi, “198. Peningkatan Hasil Belajar Matematika Menggunakan Model Problem Based Learning Kelas IV SDN 1 Senenan Jepara”, psnppg, vol. 1, no. 1, pp. 1772–1779, Jul. 2023.