Ramadhani, Safrina. “Use Of HPE And Hearing Function Disorder Of Ground Handling Workers At Kualanamu Airport”. Jurnal Kesehatan Masyarakat Andalas 12, no. 1 (June 25, 2018): 03–09. Accessed December 21, 2024. https://jurnal.fkm.unand.ac.id/index.php/jkma/article/view/229.