Suci DW, Taufina T. Peningkatan Pembelajaran Matematika Melalui Strategi Berbasis Masalah di Sekolah Dasar. basicedu [Internet]. 2020 Apr. 22 [cited 2026 Jan. 15];4(2):505-12. Available from: https://jbasic.org/index.php/basicedu/article/view/371