Csajkos BJ, Kovács-Nagy K. The role of digital background factors in academic achievement. A comparative study of students from three countries based on the PISA 2022 database. CEJER [Internet]. 2025 Dec. 31 [cited 2026 Jun. 5];7(2):115–128. Available from: https://ojs.lib.unideb.hu/CEJER/article/view/15662