Text ( visual ) : unmediated Research methods in applied linguistics : quantitative, qualitative, and mixed methodologies / Zoltán Dörnyei. -- Oxford : Oxford University Press , 2007. -- 336 p. : ill. ; 24 cm. -- (Oxford applied linguistics). -- Bibliography: p. [317]-328 ; Includes index. -- ISBN 9780194422581 ; (BA82715592) ; https://ci.nii.ac.jp/ncid/BA82715592 Author Heading(s): Dörnyei, Zoltán. -- Classification(s): LCC : P129 ; DC22 : 418.0072. -- Subject Heading(s): LCSH : Applied linguistics -- Research -- Methodology