2件 （「okay」）

When OKAY is repeated 論文集所収

Satomi Kuroshima・Stephanie Hyeri Kim・Kaoru Hayano・Mary Shin Kim・Seung-Hee Lee ·2021-03-01 ·『Studies in language and social interaction』　pp. 235-265

doi:10.1075/slsi.34.08kur

Between Script and Pictures in Japan 論文

Barrie Shelton・Emiko Okayama ·2006-05-01 ·40(2)　pp. 157　Routledge

www.questia.com