Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kazuko Yumoto,Some factors influencing balanced bilingual development: a study of CALP among bilingual children in Boston,多言語多文化研究 = Japan journal of multilingualism and multiculturalism,13484095,田辺町 (京都府) : 全国語学教育学会バイリンガリズム研究部会,2008-12,14,1,1-25,https://cir.nii.ac.jp/crid/1520853833285517696,