DJATMIKO. Meningkatkan Penguasan Materi Program Linear Dua Variabel Melalui Metode Student Teams Achievement Divisions (STAD) Dengan Media Geogebra . Didactical Mathematics, [S. l.], v. 4, n. 1, p. 253–266, 2022. DOI: 10.31949/dm.v4i1.2411. Disponível em: https://ejournal.unma.ac.id/index.php/dm/article/view/2411. Acesso em: 27 apr. 2025.