Wiguna, A. F.; Stefani, M. The Relationship Between Nutritional Status, Breakfast Habits, and Sleep Duration on Workers’ Productivity at PT. Sejahtera Buana Trada Sunter: Hubungan Status Gizi, Kebiasaan Sarapan, Dan Durasi Tidur Terhadap Produktivitas Pekerja PT. Sejahtera Buana Trada Sunter. AMNT 2023, 7, 205-212.