@article{oai:teapot.lib.ocha.ac.jp:00026906,
 author = {デユ井ー and 大塚, 喜一},
 issue = {10},
 journal = {幼兒の教育},
 month = {Oct},
 note = {application/pdf, 一般雑誌記事},
 pages = {27--31},
 title = {作業の一般原理の敎育的考察 : 平均年齡滿六歳},
 volume = {29},
 year = {1929}
}