ANALISIS POSTUR TUBUH PEKERJA INDUSTRI GULA MERAH TERHADAP KELUHAN NYERI PUNGGUNG BAWAH DI CV BANGKIT JAYA. Medic Nutricia. 2025;21(3):571-580. Accessed October 3, 2026. https://cibjournal.com/index.php/medicnutricia/article/view/1862