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Rahmawati R, Chadijah S, Ilyas A. Analisa Penurunan Kadar COD Dan BOD Limbah Cair Laboratorium Biokimia UIN Makassar Menggunakan Fly Ash (Abu Terbang) Batubara. Al-Kimia [Internet]. 2013Jan.24 [cited 2024Sep.19];1(1):64-5. Available from: https://journal3.uin-alauddin.ac.id/index.php/al-kimia/article/view/1622