Adelita, Fitria, Achi Rinaldi, and Fredi Ganda Putra. 2021. “The Effect of Hypnoteaching Learning Method on Students’ Problem-Solving Skills and Concept Understanding”. Numerical: Jurnal Matematika Dan Pendidikan Matematika 5 (1):49-56. https://doi.org/10.25217/numerical.v5i1.1391.