Arigawati, N. H., Nurjanah, Putri, N. S., & Ulfa, N. (2026). Visualizing Mean and Median: Utilizing PASTA Teaching Aids to Master Grouped Data in Mathematics. Journal on Mathematics Education Research (J-MER), 7(1), 200-213. https://doi.org/10.17509/j-mer.v7i1.979