To Study the Effect of Calcinations Temperature on the Structural and Magnetic Properties of ZnMnO3±δ Nanocrystallines. International Journal of Engineering Fields, ISSN: 3078-4425, [S. l.], v. 2, n. 4, p. 25–33, 2024. Disponível em: https://journalofengineering.org/index.php/ijef/article/view/24. Acesso em: 16 mar. 2026.