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Kadar pH, kesadaran dan besi (Fe) pada air sumur bor contain of pH, Hardness and iron (Fe) levels in drill well water in Samarinda
(Universitas Lambung Mangkurat, 2022-08-15)
Clean water is a human need for daily needs such as bathing, washing and toileting. In addition, clean
water as a source of drinking water provided that it has been disinfected for example by cooking. The
clean water ...