INFLUENCE OF ULTRASOUND ON NITRIC ACID LEACHING OF ALUMINA FROM KAOLIN CLAYS. Лучшие интеллектуальные исследования, [S. l.], v. 46, n. 5, p. 338–348, 2025. Disponível em: https://scientific-jl.com/luch/article/view/20222. Acesso em: 25 jun. 2025.