“High Cognitive Activation Strategy Boosts Students’ Math Achievement and Self-Efficacy: Strategi Aktivasi Kognitif Tinggi Meningkatkan Prestasi Matematika dan Efikasi Diri Siswa” (2024) Indonesian Journal of Education Methods Development, 19(4), p. 10.21070/ijemd.v19i4.867. doi:10.21070/ijemd.v19i4.867.