Wardani, Ambarsari Kusuma, Sufyani Prabawanto, and Al Jupri. 2024. “How Students’ Obstacle in Solving Ratio and Proportion Problem? Focusing on Mathematical Literacy Process”. Mosharafa: Jurnal Pendidikan Matematika 13 (2):415-30. https://doi.org/10.31980/mosharafa.v13i2.1933.