Pratiwi, K. D., and I. P. W. Ariawan. “Peningkatan Prestasi Belajar Matematika Siswa Melalui Penerapan Model Pembelajaran Discovery Learning”. Jurnal Ilmiah Tri Hita Karana, vol. 1, no. 1, Aug. 2020, pp. 38-47, https://ejournal.undiksha.ac.id/index.php/JIPDI/article/view/27833.