HASRIANA. PENINGKATAN HASIL BELAJAR MATEMATIKA SISWA MELALUI MODEL PROBLEM BASED INSTRUCTION (PBI) DENGAN METODE PENEMUAN TERBIMBING. Jurnal Riset Guru Indonesia, [S. l.], v. 1, n. 3, p. 160–166, 2022. DOI: 10.62388/jrgi.v1i3.373. Disponível em: https://journal.almeeraeducation.id/jrgi/article/view/373. Acesso em: 28 des. 2024.