Lusiana, E., Darmawan, A., Hutahaean, S., Musa, M., Mahmudi, M., & Arsad, S. (2021). Factors Affecting Dissolved Oxygen at Bengawan Solo River: A Spatial Filtering with Eigenvector Technique. Jurnal Varian, 5(1), 1 - 8. https://doi.org/https://doi.org/10.30812/varian.v5i1.1407