Wahyuningsih, Sri, Dyan Hatining Ayu Sudarni, Ade Trisnawati, and Rima Nurjanah. “Improving Bagasse Fly Ash Immobilized With Spirulina Sp. As a Biosorbent for Fe3+ Elimination from Wastewater in Physical Chemistry Laboratories”. Agroindustrial Technology Journal 10, no. 1 (May 31, 2026): 70–81. Accessed June 4, 2026. https://atj.journal.unida.gontor.ac.id/index.php/atj/article/view/22.