Handayani, W., F. Saftarina, and R. Wintoko. “The Corelation of Anxiety Levels With Shift Work Inpatient Installasion Nurses Working in Shift and Non-Shift in Dr. H. Abdul Moeloek Public Hospital in Bandar Lampung”. Majority, vol. 3, no. 6, Feb. 2014, http://juke.kedokteran.unila.ac.id/index.php/majority/article/view/299.