Musharraf, Yusubjanova. “Analysis of Probability and Statistics Topics in Mathematics Textbooks (Singapore, Japan, USA, Russia)”. CENTRAL ASIAN JOURNAL OF MATHEMATICAL THEORY AND COMPUTER SCIENCES 6, no. 4 (August 2, 2025): 739–746. Accessed March 7, 2026. https://cajmtcs.casjournal.org/index.php/CAJMTCS/article/view/804.