“XIZMAT TURLARINI IERARXIK KLASTERLASH USULIDA TAHLIL QILISH”. ZAMONAVIY TARAQQIYOT VA FAN: 21-ASR YONDASHUVLARI, vol. 6, no. 1, Apr. 2026, pp. 143-50, https://journalss.org/index.php/zam/article/view/25170.