DOMINGGO SATRIA ARUAN; JANWAR TAMBUNAN; LISBET NOVIANTI SIHOMBING. PENGARUH MODEL PROBLEM SOLVING TERHADAP HASIL BELAJAR SISWA DALAM MATERI OPERASI HITUNG BILANGAN BULAT KELAS VI SD INPRES 094178 BUMIREJO SIMALUNGUN. Pengembangan Penelitian Pengabdian Jurnal Indonesia (P3JI), [S. l.], v. 1, n. 4, p. 300–305, 2023. Disponível em: https://jurnal.migascentral.com/index.php/p3ji/article/view/162. Acesso em: 4 jun. 2026.