Yanti, Silvia, Amin Fauzi, and Mulyono Mulyono. 2021. “Development of Mathematics Teaching Materials Based on Metacognition Approaches to Improve Students’ Mathematical Reasoning Ability”. Jurnal Cendekia : Jurnal Pendidikan Matematika 5 (2), 1214-22. https://doi.org/10.31004/cendekia.v5i2.582.