Baymenova, Kamshat Saparbayevna. “PISA Assessment Program And The Principle Of Integration”. International Conference on Global Trends and Innovations in Multidisciplinary Research 1, no. 6 (December 15, 2025): 44–47. Accessed January 11, 2026. https://www.tlepub.org/index.php/2/article/view/576.