RETRACTED: Influence of copolymers of acrylamide and acrylic acid on the structure and water strength of soilAziza Abdikamalova, Shakhnoza Kuldasheva, Izzat Eshmetov, Azamat Boymirzaev and Bakhodir KholnazarovE3S Web Conf., 538 (2024) 03005DOI: https://doi.org/10.1051/e3sconf/202453803005