Pestovs, Pāvels, and Dace Namsone. “INTERPRETING LARGE SCALE NATIONAL LEVEL ASSESSMENT DATA IN MATHEMATICS BY USING RASCH ANALYSIS”.
SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 3 (May 20, 2020): 457–469. Accessed April 5, 2025.
https://journals.rta.lv/index.php/SIE/article/view/5118.