Kania N, Kusumah YS, Dahlan JA, Nurlaelah E, Kyaruzi F. Decoding Student Struggles in Geometry: Newman Error Analysis of Higher-Order Thinking Skills. Gradient [Internet]. 2024 Jun. 3 [cited 2025 Oct. 16];1(1):31-47. Available from: https://journals.eduped.org/index.php/Gradient/article/view/1146