[1]
L. A. Devianto, Y. Z. M. Y. Hardianto, A. . Yusuf, W. . Christiandy, E. . Elviliana, and A. T. S. . Haji, “Preliminary Assessment of Spring Water Sources as Raw Water using the Weighted Arithmetic Water Quality Index in Batu City, Indonesia”, envirotek, vol. 18, no. 2, pp. 106–114, Oct. 2026.