Patthrarawalai Sirinara และผู้แต่งคนอื่นๆ. (2019) Impact of shift work on sleep quality among nursing staff. <i>Chulalongkorn Medical Journal</i>, <i>63</i>(4), 221-227.Patthrarawalai Sirinara และผู้แต่งคนอื่นๆ. "Impact of shift work on sleep quality among nursing staff". Chulalongkorn Medical Journal 63 (2019):221-227.Patthrarawalai Sirinara และผู้แต่งคนอื่นๆ. Impact of shift work on sleep quality among nursing staff. Faculty of Medicine Chulalongkorn University:ม.ป.ท. 2019.