НОРМАТИВ ҚИЙМАТНИ АНИҚЛАШ УСЛУБИЯТИГА ҚЎШИМЧАЛАР КЎШИШ. Proc. Int. Con. Edu. Dis. Hum. 2023;2(3):171-186. Accessed October 12, 2025. https://econferenceseries.com/index.php/icedh/article/view/1393