[1]
H. A. S. Siregar and R. remit Winardi, “Effectiveness of Acid-Activated Oil Palm Fiber and Quartz Sand Adsorbents in Reducing Wastewater Pollutant Parameters”, Reswara J. Ris. Ilmu Tek., vol. 4, no. 3, pp. 420–433, Jul. 2026, doi: 10.70716/reswara.v4i3.662.