@article{oai:dcu.repo.nii.ac.jp:00000495, author = {安岡, 龍太}, journal = {調布学園女子短期大学紀要, Bulletin of Chofu Gakuen Women's Junior College}, month = {Sep}, pages = {63--80}, title = {幼稚園経験の効果に関する心理学的研究 : I. 保育期間の差の吟味}, volume = {3}, year = {1970} }