“Pengaruh Variasi Konsentrasi Asam Organik Terhadap Nilai Recovery Nikel Pada Proses Leaching Nikel Laterit”. Journal of Chemical Process Engineering 8, no. 2 (November 30, 2023): 81–88. Accessed August 26, 2025. https://jurnal.fti.umi.ac.id/index.php/JCPE/article/view/624.