Ajeng Wahyuni, Yunaita Rahmawati, Maulida Nurhidayati, and Muhtadin Amri. “Are We Measuring Ability or Guessing?: CTT and IRT Evidence from a Multiple-Choice Assessment in Econometric Test”. Hipotenusa: Journal of Mathematical Society 8, no. 1 (June 30, 2026): 104–116. Accessed July 5, 2026. https://ejournal.uinsalatiga.ac.id/index.php/hipotenusa/article/view/7088.