“Implementation of Cognitive Theory Learning in Increasing the Interest in Learning Mathematics of Grade 5 Students of State Elementary School 2 Tukadsumaga”. Psikoborneo: Jurnal Ilmiah Psikologi 13, no. 1 (February 19, 2025): 20–27. Accessed October 5, 2026. https://e-journals.unmul.ac.id/index.php/psikoneo/article/view/14408.