Giun Tan, Woan, et al. “Plantain Peel Mediated Green Synthesis Iron Oxide Nanoparticles, Surface Functionalization, and Them Performance towards Methylene Blue and Methyl Orange Dye Removal”. International Journal of Engineering & Technology, vol. 7, no. 3.36, May 2018, pp. 101-7, https://doi.org/10.14419/ijet.v7i3.36.29087.