@article{oai:tsukuba.repo.nii.ac.jp:00001513, author = {加島, 一惠 and Kashima, Kazue and 池田, 由紀江 and Ikeda, Yukie}, journal = {心身障害学研究}, month = {Mar}, pages = {99--107}, title = {<原著>精神遅滞児の象徴遊びの発達における一考察}, volume = {18}, year = {1994} }