@phdthesis{oai:tsukuba.repo.nii.ac.jp:02006157, author = {岡, 秀亮 and Hideaki, OKA}, month = {}, note = {2022}, school = {筑波大学, University of Tsukuba}, title = {Validating Written Accuracy Measures in Second Language Writing}, year = {2022}, yomi = {オカ, ヒデアキ} }