Safitri, Nurlia, Sumardin Raupu, Dwi Risky Arifanti, Megasari Megasari, and Sitti Zuhaerah Thalhah. “Effectiveness of the Multi-Representation Discourse Learning Model on Mathematical Problem-Solving Ability and Self-Confidence”. Kognitif: Jurnal Riset HOTS Pendidikan Matematika 5, no. 3 (August 13, 2025): 1171–1184. Accessed September 10, 2025. https://etdci.org/journal/kognitif/article/view/842.