Pradana AA, Pujiono P, Yulianto B, Ruhmawati T. PERBEDAAN WAKTU KONTAK KARBON AKTIF TERHADAP PENURUNAN KADAR AMONIA PADA LIMBAH CAIR DOMESTIK. JRKPDB [Internet]. 2019Jul.11 [cited 2025Dec.7];11(1):215-20. Available from: https://juriskes.com/index.php/jrk/article/view/734