Text ( visual ) : unmediated Education and the mobility turn / edited by Kalervo N. Gulson, and Colin Symes. -- : pbk. -- Abingdon : Routledge , 2019. -- ix, 121 p. ; 25 cm. -- ISBN 9780367584061 ; (BC06037191) ; https://ci.nii.ac.jp/ncid/BC06037191 Author Heading(s): Gulson, Kalervo N. ; Symes, Colin