Blagden, John Do we really need libraries?: An assessment of approaches to the evaluation of the performance of libraries - New York: Clive Bingley, 1980 - 162p. ISBN: 0-85157-308-8 Subjects--Topical Terms: Evaluation Subjects--Index Terms: Methodological problem Evaluative techniques Universal Decimal Class. No.: D 02.001.4 / M0