Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Fujikawa Kazutoshi,The factor that acquiring “technique” took root in physical education class in the 1920-30’s,Japan Journal of the History of Physical Education and Sport,0914-4730,Japan Society of the History of Physical Education and Sport,2015,32,0,1-12,https://cir.nii.ac.jp/crid/1390856660871359488,https://doi.org/10.24686/taiikushi.32.0_1