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    • Alat Uji Kualitas Udara Portable Berbasis Mikrokontroler ATmega8535 

      Tampubolon, Jusprin (Universitas Sumatera Utara, 2016)
      Air pollution is a condition in which the air quality becomes damaged and contaminated by substances that are either dangerous or harmful to the health of the human body . Some of the harmful gases in the air such as CO ...