“Optimization of Laundry Wastewater Treatment Using Zeolite and Activated Carbon Media in a Compact Dual-Tube Combination Filter: Optimalisasi Pengolahan Air Limbah Laundry Menggunakan Media Zeolit Dan Karbon Aktif Dalam Filter Kombinasi Dua Tabung Kompak”. 2025. SPECTA Journal of Technology 9 (3): 303-14. https://doi.org/10.35718/specta.v9i3.8481751.