MAKHKAMOVA, D. 661.152.5 Research on the separation of zinc from metallurgy waste with a mixture of ammonia and ammonium salts. Scientific and Technical Journal of Namangan Institute of Engineering and Technology, [S. l.], v. 10, n. 3, p. 181–187, 2025. DOI: 10.61151/stjniet.v10i3.830. Disponível em: https://niet.uz/index.php/nj/article/view/830. Acesso em: 10 jun. 2026.