Hajj MR. High Cognitive Activation Strategy Boosts Students’ Math Achievement and Self-Efficacy: Strategi Aktivasi Kognitif Tinggi Meningkatkan Prestasi Matematika dan Efikasi Diri Siswa. ijemd [Internet]. 2024Nov.30 [cited 2025Apr.25];19(4):10.21070/ijemd.v19i4.867. Available from: https://ijemd.umsida.ac.id/index.php/ijemd/article/view/867