Text ( visual ) : unmediatedResearch and progress in special eudcation / prepared by Tony Booth, Patricia Potts and Will Swann for the Course Team. -- 2nd ed.. -- Milton Keynes : Open University Press , 1983. -- 38 p. : ill. ; 30 cm. -- (The Open University ; . Educational studies : a second level course ; E241 . Special needs in education ; unit 15). -- ISBN 0335131328 ; (BA08035239) ; http://ci.nii.ac.jp/ncid/BA08035239
Author Heading(s): Booth, Tony ; Potts, Patricia ; Swann, Will