“Upaya Meningkatkan Hasil Belajar Matematika Melalui Model Kooperatif Tipe Numbered Heads Together Di Kelas V SD Mata Pelajaran Bangun Ruang”. Indo-MathEdu Intellectuals Journal, vol. 6, no. 5, Aug. 2025, pp. 8112-7, https://doi.org/10.54373/imeij.v6i5.4002.