B. Wahyudianto and L. C. Adi, “Magnetic Properties Analysis of Synthesis of Poly-(Vinyl Alcohol) / Clay / Nanomagnetite Composites: Application for Wastewater Filter”, int. j. hydrol. environ. sustain., vol. 1, no. 3, pp. 132–145, Oct. 2022, doi: 10.58524/ijhes.v1i3.145.