Krisana Krinsmith. (2015) A Study of Head Nurses' Competency, Faculty of Medicine Vajira Hospital, Navamindradhiraj University. <i>Vajira Medical Journal</i>, <i>59</i>(2), 1-15.Krisana Krinsmith. "A Study of Head Nurses' Competency, Faculty of Medicine Vajira Hospital, Navamindradhiraj University". Vajira Medical Journal 59 (2015):1-15.Krisana Krinsmith. A Study of Head Nurses' Competency, Faculty of Medicine Vajira Hospital, Navamindradhiraj University. Text and Journal Publication:ม.ป.ท. 2015.