Text ( visual ) : unmediated Listening 4 / Adrian Doff, Christopher Jones. -- Cambridge : Cambridge University Press , 1995. -- 96 p. ; 25 cm. -- (Cambridge skills for fluency). -- ISBN 0521367506 ; (BA29330430) ; https://ci.nii.ac.jp/ncid/BA29330430 Author Heading(s): Doff, Adrian ; Jones, Christopher. -- Classification(s): DC20 : 428.34