Underwood, P. G. (1990). Managing change in libraries and information services: A systems approach. London: Clive Bingley.
Παραπομπή Chicago StyleUnderwood, Peter G. Managing Change in Libraries and Information Services: A Systems Approach. London: Clive Bingley, 1990.
Παραπομπή MLAUnderwood, Peter G. Managing Change in Libraries and Information Services: A Systems Approach. London: Clive Bingley, 1990.
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