Saviola, S., and P. Dewi. “Media Pabergiban Berbantuan Model Problem Based Learning Dalam Keaktifan Siswa Kelas IV”. Sangkalemo : The Elementary School Teacher Education Journal, vol. 3, no. 1, June 2024, pp. 16-26, https://e-journal.upr.ac.id/index.php/SANGKALEMO/article/view/13880.