Windy Patmawati, Yuanita (2022) VARIASI KETEBALAN MEDIA FILTRASI PASIR FERROLITE TERHADAP PENURUNAN KADAR BESI (Fe) DAN MANGAN (Mn) AIR BERSIH. ["eprint_fieldopt_thesis_type_skripsi" not defined] thesis, Poltekkes Kemenkes Yogyakarta.