Text ( visual ) : unmediated A survey of the half-time system in education / by Edmund and Ruth Frow. -- Manchester : E. J. Morten , 1970. -- 93 p ; 21 cm. -- On spine: The half-time system in education ; Bibliography: p. 84-88. -- ISBN 0901598097 ; (BA20841099) ; https://ci.nii.ac.jp/ncid/BA20841099 Other Title(s): The half-time system in education. -- Author Heading(s): Frow, Edmund ; Frow, Ruth. -- Classification(s): LCC : LB1029.C6 ; DC : 370.19/3. -- Subject Heading(s): LCSH : Education, Cooperative -- Great Britain

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