Peningkatan Hasil Belajar Matematika Materi Penjumlahan Kelas II SDN 02 Banjar Sari Melalui Model Problem Based Intruction (PbI) Berbantu Game Math Mahjong. Trigonometri: Jurnal Matematika, [S. l.], v. 1, n. 2, p. 11–20, 2024. DOI: 10.30599/trigonometri.v1i2.3449. Disponível em: https://journal.unuha.ac.id/index.php/Trigonometri/article/view/3449. Acesso em: 4 jun. 2026.