PASARIBU, Rosida Minta Ito; SURYA, Edy; FAUZI, Muhammad Amin. PENINGKATAN BERPIKIR MATEMATIS MELALUI IMPLEMENTASI MODEL PROBLEM BASED LEARNING SISWA SD NEGERI 0401 PASAR UJUNG BATU. Jurnal Merah Putih Sekolah Dasar, [S. l.], v. 2, n. 1, p. 348–357, 2024. DOI: 10.24114/jmpsd.v2i1.60128. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jmpsd/article/view/60128. Acesso em: 12 okt. 2025.