“KEEFEKTIFAN MODEL NUMBERED HEAD TOGETHER BERBANTU MEDIA PUZZLE TERHADAP HASIL BELAJAR METAMORFOSIS SISWA KELAS IV SD”. JS (JURNAL SEKOLAH) 2, no. 3 (June 5, 2018): 226–230. Accessed March 18, 2026. https://jurnal.unimed.ac.id/2012/index.php/js/article/view/9921.