著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Wirdenius, Hans",Supervisors at work : description of supervisor behavior : development of time-sampling observation method,,Swedish Council for Personnel Administration,1958,PA Council report,,,,https://cir.nii.ac.jp/crid/1130000797603205760