Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ichijima Tamiko,The Effects of Mother Tongue on Babbling,THE JAPANESE JOURNAL OF COMMUNICATION DISORDERS,0912-8204,Japanese Association of Communication Disorders,1988,5,1,16-21,https://cir.nii.ac.jp/crid/1390282679302855936,https://doi.org/10.11219/jjcomdis1983.5.16