Text ( visual ) : unmediated Practical curriculum study / Douglas Barnes. -- : hdc ; : pbk.. -- London ; Boston : Routledge & Kegan Paul , 1982. -- xv, 510 p. : ill. ; 22 cm. -- (Routledge education books). -- Bibliography: p. 501-507 ; Includes index. -- ISBN 071000978X ; 0710009798 ; (BA02967437) ; https://ci.nii.ac.jp/ncid/BA02967437 Author Heading(s): Barnes, Douglas R.. -- Classification(s): LCC : LB1570 ; DC19 : 375. -- Subject Heading(s): LCSH : Education -- Curricula ; LCSH : Curriculum planning ; LCSH : Curriculum evaluation