Cost-effectiveness and cost-benefit analysis in information retrieval
Subtitle: report to OSTI on Project SI/97/03
By: A.D.J.Flowerdew and C.M.E. Whitehead.
Contributors: Whitehead, Christine M. E.
Series: OSTI report -- 5206
Publisher: (London School of Economics and Political Science)
Published: 1974
Place of publication: (London)
Language: eng