Synthesis of Cr M-type Hexagonal Ferrites by Sol-Gel Auto-Combustion Methods. Annual Methodological Archive Research Review, [S. l.], v. 3, n. 10, p. 790–812, 2025. DOI: 10.63075/ys1tqw71. Disponível em: https://www.amresearchjournal.com/index.php/Journal/article/view/1042. Acesso em: 17 oct. 2026.