Nur Syamsu, F., I. Rahmawati, and S. Suyitno. “Keefektifan Model Pembelajaran STAD Terhadap Hasil Belajar Matematika Materi Bangun Ruang”. International Journal of Elementary Education, vol. 3, no. 3, Aug. 2019, pp. 344-50, doi:10.23887/ijee.v3i3.19450.