Siregar, F. S. U., Adinda, A., Amir, A., & Rangkuti, A. N. (2026). Development of A Traditional Market Context-Based E-Book for Vocational High School Students’ Mathematical Reasoning. Mathline : Jurnal Matematika Dan Pendidikan Matematika, 11(3), 727–742. https://doi.org/10.31943/mathline.v11i3.1215