Text ( visual ) : unmediated Key questions in second language acquisition : an introduction / Bill VanPatten, Megan Smith, Alessandro G. Benati. -- : hardback ; : pbk. -- Cambridge : Cambridge University Press , 2020. -- xv, 212 p. ; 25-26 cm. -- Includes index. -- ISBN 9781108486668 ; 9781108708173 ; (BB29727850) ; https://ci.nii.ac.jp/ncid/BB29727850 Author Heading(s): VanPatten, Bill ; Smith, Megan (Linguist) ; Benati, Alessandro G.. -- Classification(s): LCC : P118.2 ; DC23 : 418.0071. -- Subject Heading(s): LCSH : Second language acquisition -- Research ; LCSH : Language and languages -- Study and teaching -- Research