Otavaliyev, Bobirjon, и Azizbek Hasanboyev. «Raqobat Ustunligi Va Unga Erishish Konseptsiyalari». Research and Implementation 4, no. 5/2 (май 15, 2026): 117–121. просмотрено май 20, 2026. https://rai-journal.uz/index.php/rai/article/view/3031.