Text ( visual ) : unmediated Leaders and leadership in the school, college and university / edtid by Peter Ribbins. -- hbk ; pbk. -- London : Cassell , 1997. -- xii, 223 p. ; 25 cm. -- (Management and leadership in education / series editors, Peter Ribbins and John Sayer). -- Includes bibliographical references and index. -- ISBN 0304338877 ; 0304338885 ; (BA32230354) ; https://ci.nii.ac.jp/ncid/BA32230354 Author Heading(s): Ribbins, Peter