Pratiwi, Ismiyanti Suci, and Eyus Sudihartinih. 2021. “The Analysis of Junior High School Students’ Mathematical Connection on The Ratio and Proportion Concepts”. Edumatika : Jurnal Riset Pendidikan Matematika 4 (1):59-76. https://doi.org/10.32939/ejrpm.v4i1.753.