Lexia, Nevita, and Khoirul Ngibad. “Aplikasi Spektrofotometri Terhadap Penentuan Kadar Besi Secara Kuantitaif Dalam Sampel Air”. Jurnal Pijar Mipa 16, no. 2 (March 3, 2021): 242–246. Accessed November 24, 2024. http://jurnalfkip.unram.ac.id/index.php/JPM/article/view/1908.