Balila, Jolly S., and Norma G. Cajilig. “Psychometric Analysis of Mathematics Achievement Test Using Item Response Theory”. Journal of International Scholars Conference - EDUCATION/SOCIAL SCIENCES 1, no. 2 (January 1, 2016): 34-44. Accessed April 25, 2024. https://jurnal.unai.edu/index.php/jiscedu/article/view/278.