Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Moriya Keiko,THE ROLE OF SPEECH IN CONGNITIVE PROCESS,The Japanese Journal of Educational Psychology,00215015,The Japanese Association of Educational Psychology,1970,18,1,26-32,https://cir.nii.ac.jp/crid/1390001205460230528,https://doi.org/10.5926/jjep1953.18.1_26