Perbandingan Hasil Belajar Siswa Menggunakan Model Pembelajaran Kooperatif Tipe “Numbered Head Together (NHT)” Dan “Group Investigation (GI)” Di Kelas X IPA SMA HANG TUAH 4, Surabaya Pada Pokok Bahasan Relasi Dan Fungsi. Journal of Mathematics Education Research, [S. l.], v. 1, n. 1, p. 12–16, 2022. Disponível em: https://journalng.uwks.ac.id/jmer/article/view/6.. Acesso em: 17 sep. 2024.