Astuti, D. K. W., Jaya, A. R., & Nindito, D. A. (2025). TDS and pH Produced by Bee Nest Water Purifiers Due to Differences in the Thickness and Density of Coconut Fiber Filter Media . Jurnal Teknik Sipil, 21(2), 319–333. https://doi.org/10.28932/jts.v21i2.9692