Analisis Tingkat Kebisingan Mesin CNC Milling terhadap Pekerja di CV Mitra Engineering Santosa menggunakan Metode Purposive Sampling. jse [Internet]. 2026 Jul. 2 [cited 2026 Jul. 3];11(3). Available from: https://jse.serambimekkah.id/index.php/jse/article/view/1838