MUTUAL COORDINATION OF SYSTEMS BASED ON POLYMERIC STRUCTURES OF RARE-EARTH METAL IONS AND RATIONALE FOR THE STUDIES MUTUAL COORDINATION OF SYSTEMS BASED ON POLYMERIC STRUCTURES OF RARE-EARTH METAL IONS AND RATIONALE FOR THE STUDIES. SOUTH KAZAKHSTAN SCIENCE HERALD, [S. l.], n. 2, p. 17–22, 2025. DOI: 10.54251/2616-6429.2025.02.0003nu. Disponível em: https://nu.auezov.edu.kz/index.php/nu/article/view/233.. Acesso em: 14 nov. 2026.