Ni’mah, Putri Sukrotin, et al. “334. Peningkatan Hasil Belajar Siswa Kelas 4 Dengan Model Problem Based Learning Berbantuan Quizizz Paper Mode ”. Prosiding Seminar Nasional Pendidikan Profesi Guru, vol. 1, no. 1, July 2023, pp. 2983-9, https://conference.upgris.ac.id/index.php/psnppg/article/view/4100.