Ryan, W. S.
The increasing use of logical trees in the civil service / W. S. Ryan - London : Civil Service College (CSC) , 1970 - 20p. : ill. ; 24 cm. - CAS Occasional paper No. 13 .
Includes bibliographical references.
Civil service
GB CSD CAS OP-13
The increasing use of logical trees in the civil service / W. S. Ryan - London : Civil Service College (CSC) , 1970 - 20p. : ill. ; 24 cm. - CAS Occasional paper No. 13 .
Includes bibliographical references.
Civil service
GB CSD CAS OP-13