Text ( visual ) : unmediated Task variation and repair in English as a foreign language / Richard Franklin Berwick. -- Kobe : Institute of Economic Research, Kobe University of Commerce , 1990. -- xi, 243 p. ; 21 cm.. -- (神戸商科大学研究叢書 ; v. 34). -- Includes bibliographical references (p. 197-207). -- (BA10616358) ; https://ci.nii.ac.jp/ncid/BA10616358 Author Heading(s): Berwick, Richard Franklin. -- Classification(s): NDLC : KE29 ; LCC : PE1130.J3 ; DC20 : 428/.007 ; NDC8 : 830.7. -- Subject Heading(s): LCSH : English language -- Study and teaching -- Japanese speakers