“Synthesis of Fe3O4 Nanocatalyst Capped Citric Acid (Fe3O4-CA) from Sargassum Filipendula”. ALKIMIA : Jurnal Ilmu Kimia dan Terapan 5, no. 2 (February 28, 2022): 173–180. Accessed September 10, 2024. https://jurnal.radenfatah.ac.id/index.php/alkimia/article/view/11307.