Lutfi, A., Juandi, D. and Martadiputra, B.A.P. 2023. DEVELOPMENT PROPORTIONAL REASONING IN MATHEMATICS LEARNING ENVIRONMENT: SYSTEMATIC LITERATURE REVIEW. Pedagogy: Jurnal Pendidikan Matematika. 8, 1 (May 2023), 107-123. DOI:https://doi.org/10.30605/pedagogy.v8i1.2469.