Lulang, M. and Nasution, R. 2017. Influence of Noise Intensity dan Use of Personal Protectiv Equipment (PPE) on Hearing Power of Workers in the Production Section of PT Master Wovenindo Label. Jurnal Persada Husada Indonesia. 4, 15 (Jan. 2017), 1-9. DOI:https://doi.org/10.56014/jphi.v4i15.164.