HARAHAP, Z. I. S.; SIKALEI, T.; LUBIS, Y. A. N.; ADELIA, N. Kriteria penyusunan soal higher order thinking skills dalam pembelajaran matematika. Prosiding Seminar Nasional Matematika dan Pendidikan Matematika, [S. l.], v. 5, p. 166–170, 2020. Disponível em: https://conference.upgris.ac.id/index.php/senatik/article/view/900. Acesso em: 2 may. 2024.