Djatmiko. Meningkatkan Penguasan Materi Program Linear Dua Variabel Melalui Metode Student Teams Achievement Divisions (STAD) Dengan Media Geogebra . dima [Internet]. 2022 Apr. 30 [cited 2025 May 1];4(1):253-66. Available from: https://www.ejournal.unma.ac.id/index.php/dm/article/view/2411