Fatra, Maifalinda, Lia Kurniawati, Adison Adrianus Sihombing, and Hesti Maisalamah. “KR-Heuristic Learning: Strategies to Develop Mathematical Lateral Thinking Skills for Gifted Students”. Mosharafa: Jurnal Pendidikan Matematika 12, no. 1 (January 31, 2023): 1–12. Accessed July 5, 2024. https://journal.institutpendidikan.ac.id/index.php/mosharafa/article/view/746.