The practice of O & M.

Manylion Llyfryddiaeth
Awduron Corfforaethol:	Great Britain. Treasury, Organization and Methods Division
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	London Her Majesty's Stationery Office [c965]
Rhifyn:	[3rd ed.].
Pynciau:	Office management. Office practice in government.