VIJAPURE, Y. . Synthesis And Properties of Ho+3 Doped Co-Cr-Fe Ferrite Nanoparticles Prepared by Sol-Gel Chemical Route. International Journal for Research in Applied Sciences and Biotechnology, [S. l.], v. 9, n. 1, p. 203–206, 2022. Disponível em: https://ijrasb.com/index.php/ijrasb/article/view/432. Acesso em: 22 dec. 2024.