HAKIMOVA, K.; MAKHKAMOVA, D.; TURAYEV, Z. EXTRACTION OF THE NICKEL MICROELEMENT FROM INDUSTRIAL SECONDARY PRODUCTS USING SULFURIC ACID. Scientific and Technical Journal of Namangan Institute of Engineering and Technology, [S. l.], v. 11, n. 1, p. 166–175, 2026. DOI: 10.61151/stjniet.v11i1.996. Disponível em: https://niet.uz/index.php/nj/article/view/996. Acesso em: 24 jun. 2026.