Browsing Tesis Magister by Keyword "Gangguan Fungsi Paru"
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Pengaruh Kadar Debu, Lama Paparan dan Karakteristik Terhadap Fungsi Paru pada Petugas Parkir di Kecamatan Medan Petisah Tahun 2015
(Universitas Sumatera Utara, 2015)Big cities with high mobility increase the number of vihicles which means increasing air pollution as the exhaust gas emission in the air. Parking lot attendants who work on the streets have the risk for being affected by ...