ZahraY. A. Z. and RiyadiH. (2022) “Status Gizi, Aktivitas Fisik dan Produktivitas Kerja Karyawan Tambang Batu Bara PT. Kaltim Prima Coal: Nutritional Status, Physical Activity and Work Productivity of Coal Mining Employees of PT. Kaltim Prima Coal”, Jurnal Ilmu Gizi dan Dietetik. bjm, 1(1), pp. 34-41. doi: 10.25182/jigd.2022.1.1.34-41.