SITOHANG, N. T. .; THESALONIKA, E. .; SIMAMORA, A. B. . Pengaruh Model Problem Solving Terhadap Hasil Belajar Siswa Kelas V Pelajaran IPAS . Jurnal Ilmu Pendidikan dan Sosial, [S. l.], v. 5, n. 1, p. 312–321, 2026. DOI: 10.58540/jipsi.v5i1.1525. Disponível em: https://putrapublisher.org/ojs/index.php/jipsi/article/view/1525. Acesso em: 17 apr. 2026.