Allanazarov A.A., et al. “WC KUKUNI DONADORLIGINI WC+CO QATTIQ QOTISHMA NAMUNALARINING RUXSAT ETILGAN EGILISHDAGI MUSTAHKAMLIK CHEGARASIGA TA’SIRINI TADQIQ QILISH”. Uz-Conferences, June 2024, p. 121, https://uz-conference.com/index.php/p/article/view/769.