Pratiwi, I.S. and Sudihartinih, E. 2021. The Analysis of Junior High School Students’ Mathematical Connection on The Ratio and Proportion Concepts. Edumatika : Jurnal Riset Pendidikan Matematika. 4, 1 (May 2021), 59–76. DOI:https://doi.org/10.32939/ejrpm.v4i1.753.