Hanif Fathur Rahman, Khuzaimah, S. and Arnesya Ramadhani (2026) “Utilization of H₂SO₄ Activated PDAM Sludge as an Adsorbent with Alum Addition for Reducing COD and BOD in Batik Wastewater from Kutawaru, Cilacap”, Jurnal Ilmiah Teknik Kimia, 10(2), pp. 101–109. doi: 10.32493/jitk.v10i2.58425.