Yuniati, S., Rizky Aulia Nisa, Annisah Kurniati, Depriwana Rahmi and Evrim Erbilgin 2025. Newman Error Analysis (NEA): Identifying Students’ Functional Thinking Errors Based on Self-Efficacy . Hipotenusa: Journal of Mathematical Society. 7, 1 (May 2025), 54–70. DOI:https://doi.org/10.18326/hipotenusa.v7i1.2092.