“CLASSIFICATION OF INTERNATIONAL STANDARDS IN EDUCATIONAL QUALITY ASSESSMENT (PIRLS, TIMSS, PISA, TALIS) AND THEIR PROSPECTS”. Journal of Multidisciplinary Sciences and Innovations 5, no. 03 (March 27, 2026): 2239–2245. Accessed April 29, 2026. https://ijmri.de/index.php/jmsi/article/view/6755.