Sidon, B., B. Haq, F. Masruroh, and A. Khoiri. “Quantitative Study: Numbered Heads Together on the Learning Outcomes of Elementary School Students”. Jurnal Ilmiah Wahana Pendidikan, Vol. 11, no. 8.D, Aug. 2025, pp. 368-72, https://jurnal.peneliti.net/index.php/JIWP/article/view/12853.