DUKABAIN, OLGA MARIANA. 2013. “The Difference THE DIFFERENCE OF FATIGUE LEVEL AMONG MORNING, AFTERNOON AND NIGHT SHIFT WORK ON WORKER OF STEVEDORING IN TENAU KUPANG PORT”. JURNAL INFO KESEHATAN 11 (1):311-25. https://jurnal.poltekkeskupang.ac.id/index.php/infokes/article/view/1.