N. YAHIYA AL-JAMAAL, Y.; J. JARGESS, A. Determination of the ideal hardness values for samples compounds and alloys fabricated from powder oxide of single metal elements. College of Basic Education Research Journal, [S. l.], v. 13, n. 2, p. 991–1012, 2014. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/39290. Acesso em: 26 oct. 2025.