NEW CONCEPTS OF A MODIFIED HALL - PETCH TYPE RELATIONSHIP. Nigerian Journal of Technology, [S. l.], v. 14, n. 1, p. 11–16, 2003. DOI: 10.4314/njt.141.415. Disponível em: https://nijotech.com/index.php/nijotech/article/view/415. Acesso em: 16 apr. 2026.