Mirsaid Yusupov Abdulaziz o’g’li, Surayyo Turgʻunova Ulugʻbek qizi. OBSERVER PATTERNI: OBUNA BO’LUVCHI VA XABAR BERUVCHI MODELNI DASTURLASH . journal. 2025;59(1):252-160. Accessed January 20, 2026. https://journalss.org/index.php/tal/article/view/9234