Toshqo‘ziyeva, Z.E., and SH.S. Muxtorov. 2022. “KANALIZATSIYA TARMOQLARI ELEMENTLARINING ISHONCHLILIGI KO‘RSATKICHLARINING SON QIYMATLARINI ANIQLASH”. Educational Research in Universal Sciences 1 (6):609-16. http://erus.uz/index.php/er/article/view/830.