Text ( visual ) : unmediated Language, schools, and classrooms / Michael Stubbs. -- 2nd ed.. -- pbk.. -- London : Routledge , 1990, c1983. -- 160 p. ; 20 cm. -- (Contemporary sociology of the school). -- Bibliography: p. 151-157 ; Includes indexes. -- ISBN 0415043174 ; (BA13475139) ; https://ci.nii.ac.jp/ncid/BA13475139 Author Heading(s): Stubbs, Michael. -- Classification(s): LCC : LB1576 ; DC19 : 372.6. -- Subject Heading(s): LCSH : Language arts -- Great Britain ; LCSH : Children -- Great Britain -- Language ; LCSH : Sociolinguistics