“Pengaruh Variasi Volume Diisobutyl Ketone Terhadap Analisis Kadar Emas Pada Bijih Emas Menggunakan Metode Digesti Aqua Regia Dan Atomic Absorption Spectrophotometry”. 2026. Jurnal Serambi Engineering 11 (3). https://jse.serambimekkah.id/index.php/jse/article/view/2052.