Susilowati, N. ., S. L. D. . Pramesti, R. H. . Hotimah, and S. . Khusna. “Penerapan Model Problem Based Learning Dalam Upaya Peningkatan Prestasi Belajar Matematika Siswa”. SANTIKA : Seminar Nasional Tadris Matematika, vol. 3, Sept. 2023, pp. 669-81, http://103.142.62.229/index.php/santika/article/view/1533.