Sadullaev , A. N., and M. G. ugli Ergashev. “IT IS A WATER-SAVING TECHNOLOGY CREATED WITH THE POWERFUL SWELLING ‘HYDROGEL’”. Educational Research in Universal Sciences, vol. 2, no. 18 SPECIAL, Dec. 2023, pp. 207-10, http://erus.uz/index.php/er/article/view/5399.