“KLASSIFIKATSIYA VA UNING TURLARI”. ZAMONAVIY ILM-FAN VA TADQIQOTLAR: MUAMMO VA YECHIMLAR 2, no. 5 (December 20, 2025): 63–70. Accessed March 3, 2026. https://innoworld.net/index.php/ziftmy/article/view/1475.