Nandari, W.W. et al. 2022. Effect of Solvent Conditions in Process of Extraction of Pectin from Banana Peels for the Adsorption of Fe Metal in Groundwater at UPN Veteran Yogyakarta. RSF Conference Series: Engineering and Technology. 1, 1 (Nov. 2022), 479–485. DOI:https://doi.org/10.31098/cset.v1i1.418.