Isnani Isnani, S.B. Waluya, Dwijanto Dwijanto, and T.S.N.Asih. 2022. “Analysis Of Students’ Difficulties In Mathematical Proof Ability Viewed From An Epistemological Aspect”. International Conference on Science, Education, and Technology 8 (1):735-39. https://proceeding.unnes.ac.id/ISET/article/view/1830.