Muhamad Nur Ibnu Luthfi Saud, et al. “Environmental Impact Reduction Strategy for Drinking Water Treatment Plants in Balikpapan City Using Life Cycle Assessment (LCA) Method”. SPECTA Journal of Technology, vol. 9, no. 2, Aug. 2025, pp. 187-9, doi:10.35718/specta.v9i2.8481481.