Ramlan, A.M., Budayasa, I.K. and Rahaju, E.B. 2025. Proportional reasoning in the artisan personality type: A case study of high school students in trigonometry ratios. Journal on Mathematics Education. 16, 1 (Jan. 2025), 71–90. DOI:https://doi.org/10.22342/jme.v16i1.pp71-90.