Analisis Kadar Nikel Berdasarkan Metode Preparasi (Matriks Dan Quartering). Jurnal Serambi Engineering, [S. l.], v. 11, n. 3, 2026. Disponível em: http://jse.serambimekkah.id/index.php/jse/article/view/1830. Acesso em: 2 jul. 2026.