’Akla CMN, Ruzanna A, Nugrahawati A, Fitria R, Firdaus R, Imanullah, Dermawan A, Putra AT, Simanjuntak AS, Mandhay IK. Coffee Grounds and Coconut Husk in Layered Filter Treatment for Efficiency Removal and Degradation Capacity of Pollution Parameters in North Aceh Waters. IJMEIR [nternet]. 2025Jul.10 [cited 2025Dec.6];8(4):787-94. vailable from: https://journal.its.ac.id/index.php/ijmeir/article/view/5105