Kamilov , S. X., G. Kasimova, Z. Yavkacheva, and N. Valikhonov. “‘NANOTECHNOLOGIES AND THEIR SIGNIFICANCE IN ENVIRONMENTAL PROTECTION’”. Eurasian Journal of Academic Research, vol. 3, no. 4 Part 2, Apr. 2023, pp. 147-52, https://in-academy.uz/index.php/ejar/article/view/12443.