НОРМАТИВ ҚИЙМАТНИ АНИҚЛАШ УСЛУБИЯТИГА ҚЎШИМЧАЛАР КЎШИШ. Proc. Int. Con. Edu. Dis. Hum. 2023;2(3):171-186. Accessed January 31, 2026. https://econferenceseries.com/index.php/icedh/article/view/1393