Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MIYAMOTO Ken'ichiro,The Development of the Dalton Plan and the Growth of the Thought of Helen Parkhurst,STUDIES IN THE HISTORY OF EDUCATION,03868982,The Japan Society for Historical Studies of Education,1999,42,0,132-148,https://cir.nii.ac.jp/crid/1390282680742122624,https://doi.org/10.15062/kyouikushigaku.42.0_132