RETRACTED: Modern technology for enrichment of tailings from an enrichment plant processing tungsten oresMarkhamat Mutalova, Adkham Khasanov, Umarali Toshtemirov, Tatyana Melnikova and Nilufar YuldashavaE3S Web Conf., 538 (2024) 01002DOI: https://doi.org/10.1051/e3sconf/202453801002