@phdthesis{oai:tsukuba.repo.nii.ac.jp:00008195, author = {長崎, 勤 and Nagasaki, Tsutomu}, month = {}, note = {1991}, school = {筑波大学, University of Tsukuba}, title = {ダウン症乳幼児の言語発達と早期言語指導 : 認知・語用論的立場から}, year = {1992} }