DUKABAIN, OLGA MARIANA. “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, vol. 11, no. 1, June 2013, pp. 311-25, https://jurnal.poltekkeskupang.ac.id/index.php/infokes/article/view/1.