“Pemanfaatan Bentonit Teraktivasi Sebagai Penyerap Nitrogen Pada Air Limbah Pabrik Kelapa Sawit: The Application of Activated Bentonite As Adsorbent of Nitrogen in Palm Oil Industry Wastewater”. Talenta Conference Series: Science and Technology (ST) 2, no. 2 (June 30, 2019). Accessed May 1, 2026. https://talentaconfseries.usu.ac.id/index.php/st/article/view/509.