Toshqo‘ziyeva, Z., and S. Muxtorov. “KANALIZATSIYA TARMOQLARI ELEMENTLARINING ISHONCHLILIGI KO‘RSATKICHLARINING SON QIYMATLARINI ANIQLASH”. Educational Research in Universal Sciences, vol. 1, no. 6, Nov. 2022, pp. 609-16, http://erus.uz/index.php/er/article/view/830.