著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Koyama Tadashi,Current Research on Individual Differences in Early Expressive Word Acquisition,Journal of Special Education Research,21875014,一般社団法人 日本特殊教育学会,2022-08-31,11,1,11-21,https://cir.nii.ac.jp/crid/1390576734221614848,https://doi.org/10.6033/specialeducation.11.11