HERMAN, Kevin; SUGIONO, Judi Prajetno. Studi Pengukuran Kekerasan Benda dengan Analisa Spektral. Journal of Informatics Development, [S. l.], v. 1, n. 2, p. 65–74, 2023. DOI: 10.30741/jid.v1i2.1091. Disponível em: http://178.128.120.64/index.php/jid/article/view/1091. Acesso em: 19 oct. 2025.