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Nevi, Shafira Zahrotunnisa and Mimin, Karmini and Nia, Yuniarti Hasan and Nany, Djuhriah and Yosephina, Ardiani Septiati (2021) Perbedaan Ketebalan Filter Bio Ceramic Ball Terhadap Penurunan Total Coliform Pada Air Minum di Pantry PT. Beton Elemen Persada. Diploma thesis, Politeknik Kesehatan Kemenkes Bandung.