Tarigan, Melvi Riahta Br, and Katrina Samosir. “Pengaruh Model Pembelajaran POE (Predict-Observe-Explain) Terhadap Kemampuan Berpikir Kritis Matematis Siswa SMP”. Kognitif: Jurnal Riset HOTS Pendidikan Matematika 4, no. 4 (December 30, 2024). Accessed October 14, 2025. https://www.etdci.org/journal/kognitif/article/view/1909.