Text ( visual ) : unmediated Policy processes / edited by Stephen Ball. -- London : Routledge , 2017. -- xi, 479 p. : ill. ; 24 cm. -- (Major themes in education ; . Education policy / edited by Stephen Ball ; v. 3). -- Includes bibliographical references ; Set ISBN for "Education policy ": 9781138827813. -- ISBN 9781138827844 ; (BB21956581) ; https://ci.nii.ac.jp/ncid/BB21956581 Author Heading(s): Ball, Stephen J.. -- Classification(s): LCC : LC71 ; DC23 : 379. -- Subject Heading(s): LCSH : Education and state