Sujiyati, Tutik. “Meningkatkan Hasil Belajar Fisika Siswa Menggunakan Model Pembelajaran Kooperatif Tipe NHT”. Indonesian Journal of Educational Development (IJED) 2, no. 2 (August 29, 2021): 207-218. Accessed May 6, 2024. https://ojs.mahadewa.ac.id/index.php/ijed/article/view/1252.