Tobirov, Odiljon, and Muhammadali Isaqov. “BIOXILMA-XILLIKNI ASRASHDA BARQAROR TURIZMNING ROLI”. University Research Base (April 11, 2025): 544–547. Accessed April 21, 2026. https://scholar.kokanduni.uz/index.php/rb/article/view/929.