The Difference in Effectiveness of Arabica and Robusta Coffee Grounds as Adsorbent Raw Materials for Reducing COD and TSS Levels in Tapioca Wastewater. JCA [Internet]. 2026 Aug. 11 [cited 2026 Oct. 29];3(1):194-208. Available from: https://e-journal.lppmpustakacendekia.or.id/index.php/jca/article/view/2129