Zahrim, A. Y., A. Nasimah, dan S. Rosalam. “Lignin Removal From Aqueous Solution Using Calcium Lactate: The Effect Of Polymers And Magnesium Hydroxide As A Flocculant Aids” 14, no. 2 (Desember 31, 2014): 19-27. Diakses Juni 8, 2025. https://jurnal.ugm.ac.id/v3/AJChE/article/view/8849.