Setiarini Apriliani I, Yudha Irianto R, Saputra AS. Investigating the Impact of Coconut Fiber Composite Sound Absorber and Egg Tray Combination on the Noise Intensity of the Blower Pump Machine in the Tray Washing Area of PT. Supra Natami Utama. higiene [Internet]. 2025Jan.15 [cited 2025Jan.22];10(2):80-6. Available from: https://journal3.uin-alauddin.ac.id/index.php/higiene/article/view/50415