Anwar, Khoirul, Mardiyono Mardiyono, and Nuraini Harmastuti. “Karakteristik Pektin Kulit Buah Sukun (Artocarpus Altilis (Park.) Fosberg) Dan Uji Kemampuan Adsorpsi Logam Berat Pada Limbah Laboratorium Stifera Semarang”. Jurnal Ilmiah Sains 22, no. 1 (August 2, 2022): 8–16. Accessed March 28, 2024. https://ejournal.unsrat.ac.id/v3/index.php/JIS/article/view/35537.