INVESTIGATION OF NANOSTRUCTURED COMPOSITE FIBERS BASED ON Fe₃O₄. Journal of open systems evolution problems, [S. l.], v. 26, n. 2, p. 25–36, 2024. DOI: 10.26577/JPEOS.2024.v26-i2-a4. Disponível em: https://peos.kaznu.kz/index.php/peos/article/view/336. Acesso em: 5 jul. 2026.