Application of the Student Teams Achievement Division (STAD) Model to Improve Learning Outcomes in Angle Measurement for Fifth-Grade Students. J. Lit. Nusant. [Internet]. 2026 Jul. 7 [cited 2026 Aug. 2];6(3):411-24. Available from: https://journal.citradharma.org/index.php/literasinusantara/article/view/33