Putriani, Desi, Riza Dhifa Alzabarjud Putra, Karlina Anjani, and Yurizka Melia Sari. “Cognitive Assessment Development: Item Analysis With Classical and Modern Theories”. Journal Focus Action of Research Mathematic (Factor M) 8, no. 1 (June 1, 2025): 1–16. Accessed September 7, 2026. https://jurnalfaktarbiyah.iainkediri.ac.id/index.php/factorm/article/view/env8n1_p1_16.