Fatimah, Nurul, Agung Prasetya, and Woro Sumarni. “PENGGUNAAN SILIKA GEL TERIMOBILISASI BIOMASSA Aspergillus Niger UNTUK ADSORPSI ION LOGAM Fe(III)”. Indonesian Journal of Chemical Science 3, no. 3 (November 1, 2014). Accessed May 11, 2024. https://journal.unnes.ac.id/sju/ijcs/article/view/4105.