Fitriati, Ulfa; Kurdi, Holdani; Isramaulana, Aulia; Mayang, Mutiara
(European Union Digital Library (EAI), 2020-03-03)
Clean water in human life has a very important function. The Human need for
clean water is directly proportional to the population growth. In Balikpapan, which is the
capital city of East Kalimantan Province has ...