Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) EINARSEN S,"The Negative Acts Questionnaire : Development, validation and revision of a measure of bullying at work","Proceedings of the 10th European Congress on Work and Organisational Psychology, Prague, May 2001",,,2001,,,,https://cir.nii.ac.jp/crid/1571698600821992704,