The Implementation of the Student Teams Achievement Division (STAD) Cooperative Learning Model Assisted by the Wayground Application to Improve Grade X Students’ Mathematics Learning Outcomes. TOFEDU [Internet]. 2026 Jul. 18 [cited 2026 Oct. 9];5(2):4153-9. Available from: https://journal.tofedu.or.id/index.php/journal/article/view/2084