Noviani, J. and Firmansyah, F. 2020. THE DEVELOPMENT OF JUNIOR HIGH SCHOOL MATHEMATICS LEARNING TOOLS USING REALISTIC MATHEMATICS EDUCATION APPROACH TO RELATIONS AND FUNCTIONS MATERIAL. MaPan : Jurnal Matematika dan Pembelajaran. 8, 2 (Dec. 2020), 343–359. DOI:https://doi.org/10.24252/mapan.2020v8n2a12.