De Saez, E. E. (1993). Marketing concepts for libraries and information services. Library Association.
Dyfyniad Arddull ChicagoDe Saez, Eileen Elliot. Marketing Concepts for Libraries and Information Services. London: Library Association, 1993.
Dyfyniad MLADe Saez, Eileen Elliot. Marketing Concepts for Libraries and Information Services. Library Association, 1993.
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