Omonturdiyev Ortiq Eshboyevich. 2026. “SIFATLI NOTO‘QIMA MATO OLISH UCHUN JUN TOLASINI CHO‘TKALI BARABAN ORQALI SAMARALI TOZALASH VA UZATISH JARAYONINING NAZARIY TAHLILI”. MANAGEMENT AND ECONOMICS SCIENTIFIC RESEARCH JOURNAL 3 (2):132-42. https://journals.timeedu.uz/index.php/mesr/article/view/124.