Analisis hubungan dosis pajanan bising dengan pendekatan L Equivalent dan penurunan pendengaran pekerja Divisi Produksi PT. Master Wavenindo Label tahun 2011 = Analysis the relationship of noise exposure dose with L Equivalent approaches and hearing loss of Production Division Workers in PT. Master Wavenindo Label 2011 (Fakultas Kesehatan Masyarakat Universitas Indonesia, 2012)