Issue for winter 1970 has no volume numbering, but constitutes v. 1, no. 1.
Some nos. issued in combined form.
Text in English and French in parallel columns; French text on inverted pages, 1989/90-; English only, -2001.
Imprint varies: 1970-1989/90, Bureau of Management Consulting, Supply and Services Canada; 1990/91-1991/92, Government Consulting Group, Consulting and Audit Canada; <1993->, Consulting and Audit Canada.
Continued by an online-only publication with title: Optimum online.