Browsing Tesis Magister by Advisor "Siregar, Fazidah A"
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Hubungan Intensitas Kebisingan dan Stres Kerja dengan Tekanan Darah pada Operator di PT. Pupuk Iskandar Muda Lhokseumawe Tahun 2017 (Universitas Sumatera Utara, 2018)High pitch noise may cause physiological reactions such as blood pressure ( 10 mmHg). Noise at factories is usually known to be produced from turbine, compressor, pump and other processing equipment. In addition to physical ...