Sari, D. P., and F. R. Fiantika. “The Students Algebraic Thinking Processed in Mathematic Problem Solving at Low Mathematic Ability Student Based on Quantitative Reasoning Ability”. Edumatika : Jurnal Riset Pendidikan Matematika, vol. 1, no. 2, Nov. 2018, pp. 29-35, doi:10.32939/ejrpm.v1i2.224.