Susilowati N, Pramesti SLD, Hotimah RH, Khusna S. Penerapan Model Problem Based Learning dalam Upaya Peningkatan Prestasi Belajar Matematika Siswa . SN [Internet]. 2023 Sep. 16 [cited 2024 Sep. 20];3:669-81. Available from: http://103.142.62.229/index.php/santika/article/view/1533