Adsorpsi Logam Krom (Cr) Total Limbah Cair Batik Menggunakan Karbon Aktif Ampas Kopi. JW [Internet]. 2024 Jul. 31 [cited 2026 Jun. 24];22(02):39-46. Available from: https://jurnal.unipasby.ac.id/waktu/article/view/8961