2件 （「Akira YOKKAICHI」）

Developmental Features of Spelling Errors Written by Children Who Are Deaf 論文

Masatomo Motegi・Takashi Sawa・Akira Yokkaichi ·2012-01-01 ·『The Japanese Journal of Special Education』　50(2)　pp. 161-169

doi:10.6033/tokkyou.50.161

Vocabulary of Children with Hearing Impairments : Evaluation by Item Response Analysis 論文

Akira Yokkaichi・Sawa Saito・Naotoshi TAN ·1995-01-01 ·『The Japanese Journal of Special Education』　33(2)　pp. 51-59

doi:10.6033/tokkyou.33.51_1