MARBUN, B. S. .; SIMAMORA, A. B. .; SIANTURI, C. L. . Pengaruh Metode Problem Solving terhadap Hasil Belajar Siswa Kelas V-B Pelajaran IPAS Tema 3 Subtema 3 UPTD SD Negeri 122349 Pematang Siantar. Indonesian Research Journal on Education, [S. l.], v. 4, n. 4, p. 2453 –, 2024. DOI: 10.31004/irje.v4i4.1670. Disponível em: https://irje.org/irje/article/view/1670. Acesso em: 26 oct. 2026.