DETHAN, Sipromia; TANGKIN, Wiyun Philipus. Metode Numbered Heads Together Untuk Meningkatkan Pemahaman Konsep Siswa Pada Materi Program Linear. Jurnal Educatio FKIP UNMA, [S. l.], v. 8, n. 2, p. 537–551, 2022. DOI: 10.31949/educatio.v8i2.2054. Disponível em: https://ejournal.unma.ac.id/index.php/educatio/article/view/2054. Acesso em: 26 apr. 2025.