Mardiansyah, Aldi, Sri Sunarsih, and Suparni S Rahayu. 2026. “Penurunan Krom Total Limbah Elektroplating Dengan Karbon Aktif Kulit Kopi: Total Chrome Reduction of Electroplating Waste With Activated Carbon Coffee Skin”. Citizen : Jurnal Ilmiah Multidisiplin Indonesia 6 (1):131-39. https://doi.org/10.53866/jimi.v6i1.1211.