SAMOSIR, Dewi Haizah; IRSAN, Irsan; TAMBA, Robenhart; MAILANI, Elvi; PERANGIN-ANGIN, Laurensia M. PENGEMBANGAN BUKU AJAR MATEMATIKA MATERI PECAHAN BERBASIS PROBLEM BASED LEARNING UNTUK MENINGKATKAN HASIL BELAJAR SISWA KELAS V SDN 104202 BANDAR SETIA T.A 2023/2024. JURNAL HANDAYANI PGSD FIP UNIMED, [S. l.], v. 15, n. 1, p. 105–115, 2024. DOI: 10.24114/jh.v15i1.58210. Disponível em: http://103.242.233.34/index.php/handayani/article/view/58210. Acesso em: 31 jan. 2025.