MUZANNI, Ahmad; MUHYADI, Muhyadi. PENGEMBANGAN PERANGKAT PEMBELAJARAN PROBLEM SOLVING MATA PELAJARAN IPA TERHADAP HASIL BELAJAR KOGNITIF SISWA SD. Jurnal Prima Edukasia, [S. l.], v. 4, n. 1, p. 1–11, 2016. DOI: 10.21831/jpe.v4i1.7746. Disponível em: https://journal.uny.ac.id/index.php/jpe/article/view/7746. Acesso em: 7 may. 2025.