Ajeng Rahmatika Agustin, Nyoto Harjono. Peningkatan Proses dan Hasil Belajar Matematika Menggunakan Model Problem Based Learning di Sekolah Dasar. janacitta [Internet]. 2024 Mar. 31 [cited 2024 Dec. 21];7(1):1-10. Available from: https://jurnal.unw.ac.id/index.php/janacitta/article/view/2592