TRAKTORNING GIDRAVLIK TIZIMLARINI NAZORAT QILISH VA SAMARALI ISHLASHINI TA’MINLASH USULLARI. scientific [Internet]. 2026 Feb. 12 [cited 2026 Feb. 28];87(1):441-5. Available from: https://journalss.org/index.php/obr/article/view/18628